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Marquise|Lab Grown|IGI

1.31ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG750536262

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG750536262

Diamond specifications and retailer prices

From £588 GBP
As of November 5, 2026
Save £190 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £779 GBP at The Diamond Guys · As of November 5, 2026
View at The Diamond Guys

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750536262 or 750536262. Listed at 3 retailers as of November 5, 2026, with prices from £588 to £779, a £190 spread on the same certified stone. The Diamond Guys lists it at £779. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750536262
Dimensions11.37 × 5.54 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Top View
11.37 mm5.54 mm1.31 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750536262
Side View
Table 62.0%Crown 36.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £588 GBP|Low: £111 GBP|High: £68,279 GBP|Avg: £1,835 GBP|+0.1%
Retailer 1
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Retailer 14
The Diamond Guys
August 3, 2026
Retailer 14£111 GBP
Retailer 6£313 GBP
Retailer 13£400 GBP
Retailer 12£425 GBP
Retailer 5£431 GBP
Retailer 8£506 GBP
Retailer 9£529 GBP
Retailer 1£588 GBP
Retailer 7£594 GBP
Retailer 11£666 GBP
Retailer 2£692 GBP
The Diamond Guys£779 GBP
Retailer 3£796 GBP
Retailer 4£921 GBP
Retailer 10£1,397 GBP

42 data points across 15 retailers

3 retailers£588 GBP to £779 GBP

B+
Cheapest Retailer
-
£588 GBP
Retailer 2
-
£594 GBP
View
Price last confirmed 148 days ago
Most Expensive
B
The Diamond Guys
1955241472 · Nov 5
£779 GBP
$1,048 USD
View
2 more retailers have this diamond
Prices start from £588 GBPSave up to £190 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.

B+
1.31ct Marquise
£588 GBP