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Cushion|Lab Grown|IGI

10.27ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG851609240

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851609240

Diamond specifications and retailer prices

From £1,681 GBP
As of October 31, 2026
Save £4,432 GBP (73%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £6,112 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 10.27ct lab-grown cushion diamond

This 10.27ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851609240 or 851609240. Listed at 2 retailers as of October 30, 2026, with prices from £1,681 to £6,112, a £4,432 spread on the same certified stone. Brilliant Earth lists it at £6,112. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.27
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851609240
Dimensions15.44 × 11.12 × 7.47 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.44 mm11.12 mm10.27 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851609240
Side View
Table 62.0%Crown 36.6°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,681 GBP|Low: £1,675 GBP|High: £1,681 GBP|Avg: £1,679 GBP|+0.3%
October 31, 2026
Retailer 1£1,681 GBP

4 data points across 1 retailer

2 retailers£1,681 GBP to £6,112 GBP

A
Cheapest Retailer
-
£1,681 GBP
Most Expensive
B
Brilliant Earth
22330189A · Oct 30
£6,112 GBP
$8,190 USD
View
1 more retailer has this diamond
Prices start from £1,681 GBPSave up to £4,432 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
10.27ct Cushion
£1,681 GBP