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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508165

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508165

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)
34 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 LG754508165 or 754508165. Listed at 34 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 angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508165
Dimensions11.95 × 6.15 × 3.78 mm
L/W Ratio1.94
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
11.95 mm6.15 mm1.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508165
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.5%

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: £1,638 GBP|-1.5%
Do Amore Diamonds
Retailer 2
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Retailer 25
November 3, 2026
Retailer 17£506 GBP
Retailer 9£639 GBP
Retailer 2£658 GBP
Retailer 12£706 GBP
Retailer 5£708 GBP
Retailer 7£770 GBP
Retailer 8£849 GBP
Retailer 6£977 GBP
Retailer 24£1,038 GBP
Retailer 19£1,040 GBP
Retailer 3£1,060 GBP
Retailer 20£1,190 GBP
Retailer 13£1,482 GBP
Retailer 11£1,499 GBP
Retailer 22£1,613 GBP
Retailer 15£1,821 GBP
Retailer 14£2,001 GBP
Retailer 10£2,012 GBP
Retailer 4£2,047 GBP
Retailer 23£2,118 GBP
Retailer 18£2,317 GBP
Retailer 16£2,446 GBP
Retailer 25£2,557 GBP
Retailer 21£2,730 GBP
Do Amore Diamonds£4,489 GBP

27 data points across 25 retailers

34 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
-
£595 GBP
$798 USD
View
Price last confirmed 31 days ago
Retailer 7
-
£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
-
£708 GBP
$950 USD
View
A
Retailer 12
-
£770 GBP
$1,032 USD
View
A
Retailer 13
-
£849 GBP
HK$8,900 HKD
View
A
Retailer 14
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£977 GBP
$1,310 USD
View
A
Retailer 15
-
£1,038 GBP
€1,326 EUR
View
A
Retailer 16
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£1,040 GBP
View
A
Retailer 17
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£1,060 GBP
A$2,188 AUD
View
A
Retailer 18
-
£1,190 GBP
ZAR 25,782 ZAR
View
B+
Retailer 19
-
£1,482 GBP
$1,987 USD
View
B+
Retailer 20
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£1,499 GBP
$2,010 USD
View
B+
Retailer 21
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£1,613 GBP
A$3,327 AUD
View
B+
Retailer 22
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£1,821 GBP
$2,442 USD
View
Retailer 23
-
£1,846 GBP
$2,475 USD
View
Price last confirmed 24 days ago
Retailer 24
-
£1,846 GBP
$2,475 USD
View
Price last confirmed 34 days ago
B+
Retailer 25
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£2,001 GBP
$2,683 USD
View
B+
Retailer 26
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£2,012 GBP
$2,698 USD
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B
Retailer 27
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£2,047 GBP
$2,745 USD
View
B
Retailer 28
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£2,115 GBP
$2,837 USD
View
B+
Retailer 29
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£2,118 GBP
$2,840 USD
View
B
Retailer 30
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£2,317 GBP
$3,107 USD
View
B
Retailer 31
-
£2,446 GBP
SGD 4,433 SGD
View
B
Retailer 32
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£2,557 GBP
View
B
Retailer 33
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£2,730 GBP
A$5,632 AUD
View
Most Expensive
B
Do Amore Diamonds
27-85D5E6F64 · Nov 2
£4,489 GBP
$6,020 USD
View
33 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