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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754563641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754563641

Diamond specifications and retailer prices

From £506 GBP
$678 USD
As of November 2, 2026
Save £3,983 GBP (89%) vs most expensive(unlock to see where)
35 retailers carry this diamond
Most expensive: £4,489 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.59ct lab-grown marquise diamond

This 1.59ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754563641 or 754563641. Listed at 35 retailers as of November 2, 2026, with prices from £506 to £4,489, a £3,983 spread on the same certified stone. Do Amore Diamonds lists it at £4,489. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563641
Dimensions12.51 × 5.96 × 3.66 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.51 mm5.96 mm1.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563641
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £4,489 GBP|Low: £506 GBP|High: £4,556 GBP|Avg: £1,589 GBP|-1.5%
Do Amore Diamonds
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Retailer 25
November 3, 2026
Retailer 14£506 GBP
Retailer 6£639 GBP
Retailer 2£658 GBP
Retailer 9£706 GBP
Retailer 17£708 GBP
Retailer 4£770 GBP
Retailer 5£849 GBP
Retailer 3£977 GBP
Retailer 24£1,038 GBP
Retailer 19£1,040 GBP
Retailer 25£1,060 GBP
Retailer 20£1,190 GBP
Retailer 13£1,482 GBP
Retailer 8£1,499 GBP
Retailer 22£1,613 GBP
Retailer 11£1,821 GBP
Retailer 10£2,001 GBP
Retailer 7£2,012 GBP
Retailer 16£2,047 GBP
Retailer 23£2,118 GBP
Retailer 15£2,317 GBP
Retailer 12£2,446 GBP
Retailer 21£2,544 GBP
Retailer 18£2,767 GBP
Do Amore Diamonds£4,489 GBP

29 data points across 25 retailers

35 retailers£506 GBP to £4,489 GBP

A
Cheapest Retailer
-
£506 GBP
$678 USD
Retailer 2
-
£513 GBP
$688 USD
View
Price last confirmed 26 days ago
Retailer 3
-
£513 GBP
$688 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£558 GBP
$748 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£587 GBP
$787 USD
View
Price last confirmed 36 days ago
Retailer 6
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£595 GBP
$798 USD
View
Price last confirmed 31 days ago
Retailer 7
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£595 GBP
$798 USD
View
Price last confirmed 24 days ago
A
Retailer 8
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£639 GBP
$857 USD
View
Final sale: no returns
A
Retailer 9
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£658 GBP
View
A
Retailer 10
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£706 GBP
$947 USD
View
A
Retailer 11
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£708 GBP
$950 USD
View
A
Retailer 12
-
£770 GBP
$1,032 USD
View
A
Retailer 13
-
£849 GBP
HK$8,900 HKD
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A
Retailer 14
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£977 GBP
$1,310 USD
View
Retailer 15
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£1,021 GBP
View
Price last confirmed 19 days ago
A
Retailer 16
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£1,038 GBP
€1,326 EUR
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A
Retailer 17
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£1,040 GBP
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A
Retailer 18
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£1,060 GBP
A$2,188 AUD
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A
Retailer 19
-
£1,190 GBP
ZAR 25,782 ZAR
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B+
Retailer 20
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£1,482 GBP
$1,987 USD
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B+
Retailer 21
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£1,499 GBP
$2,010 USD
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B+
Retailer 22
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£1,613 GBP
A$3,327 AUD
View
B+
Retailer 23
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£1,821 GBP
$2,442 USD
View
Retailer 24
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£1,846 GBP
$2,475 USD
View
Price last confirmed 24 days ago
Retailer 25
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£1,846 GBP
$2,475 USD
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Price last confirmed 34 days ago
B+
Retailer 26
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£2,001 GBP
$2,683 USD
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B+
Retailer 27
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£2,012 GBP
$2,698 USD
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B+
Retailer 28
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£2,047 GBP
$2,745 USD
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B
Retailer 29
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£2,115 GBP
$2,837 USD
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B+
Retailer 30
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£2,118 GBP
$2,840 USD
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B
Retailer 31
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£2,317 GBP
$3,107 USD
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B
Retailer 32
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£2,446 GBP
SGD 4,433 SGD
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B
Retailer 33
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£2,544 GBP
View
Retailer 34
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£2,767 GBP
A$5,709 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
Do Amore Diamonds
27-1CBA99334 · Nov 2
£4,489 GBP
$6,020 USD
View
34 more retailers have this diamond
Prices start from £506 GBPSave up to £3,983 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.59ct Marquise
£506 GBP