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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754563698

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754563698

Diamond specifications and retailer prices

From £506 GBP
As of November 2, 2026
Save £3,983 GBP (89%) vs most expensive(unlock to see where)
32 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 LG754563698 or 754563698. Listed at 32 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 angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563698
Dimensions12.53 × 5.96 × 3.73 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
12.53 mm5.96 mm1.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563698
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

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: £4,489 GBP|Avg: £1,581 GBP
Do Amore Diamonds
Retailer 2
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November 4, 2026
Retailer 15£506 GBP
Retailer 18£573 GBP
Retailer 10£706 GBP
Retailer 2£720 GBP
Retailer 6£770 GBP
Retailer 7£849 GBP
Retailer 5£977 GBP
Retailer 3£1,038 GBP
Retailer 19£1,039 GBP
Retailer 4£1,060 GBP
Retailer 21£1,189 GBP
Retailer 13£1,481 GBP
Retailer 9£1,499 GBP
Retailer 23£1,612 GBP
Retailer 12£1,821 GBP
Retailer 11£2,001 GBP
Retailer 8£2,012 GBP
Retailer 17£2,047 GBP
Retailer 24£2,118 GBP
Retailer 16£2,316 GBP
Retailer 14£2,446 GBP
Retailer 20£2,543 GBP
Retailer 22£2,729 GBP
Do Amore Diamonds£4,489 GBP

34 data points across 24 retailers

32 retailers£506 GBP to £4,489 GBP

A
Cheapest Retailer
-
£506 GBP
Retailer 2
-
£513 GBP
View
Price last confirmed 27 days ago
Retailer 3
-
£513 GBP
View
Price last confirmed 35 days ago
Retailer 4
-
£558 GBP
View
Price last confirmed 36 days ago
A
Retailer 5
-
£573 GBP
View
Final sale: no returns
Retailer 6
-
£587 GBP
View
Price last confirmed 36 days ago
Retailer 7
-
£595 GBP
View
Price last confirmed 32 days ago
Retailer 8
-
£595 GBP
View
Price last confirmed 25 days ago
A
Retailer 9
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£706 GBP
View
A
Retailer 10
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£720 GBP
View
A
Retailer 11
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£770 GBP
View
A
Retailer 12
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£849 GBP
View
A
Retailer 13
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£977 GBP
View
A
Retailer 14
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£1,038 GBP
View
A
Retailer 15
-
£1,039 GBP
View
A
Retailer 16
-
£1,060 GBP
View
A
Retailer 17
-
£1,189 GBP
View
B+
Retailer 18
-
£1,481 GBP
View
B+
Retailer 19
-
£1,499 GBP
View
B+
Retailer 20
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£1,612 GBP
View
B+
Retailer 21
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£1,821 GBP
View
Retailer 22
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£1,846 GBP
View
Price last confirmed 25 days ago
Retailer 23
-
£1,846 GBP
View
Price last confirmed 35 days ago
B+
Retailer 24
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£2,001 GBP
View
B+
Retailer 25
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£2,012 GBP
View
B+
Retailer 26
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£2,047 GBP
View
B+
Retailer 27
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£2,118 GBP
View
B
Retailer 28
-
£2,316 GBP
View
B
Retailer 29
-
£2,446 GBP
View
B
Retailer 30
-
£2,543 GBP
View
B
Retailer 31
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£2,729 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4E6D9F22C · Nov 2
£4,489 GBP
$6,020 USD
View
31 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