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Cushion|Lab Grown|IGI

3.10ct H VVS2 Cushion Lab Grown Diamond

EX • H/VVS2 • IGI LG812624374

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812624374

Diamond specifications and retailer prices

From £287 GBP
$384 USD
As of October 31, 2026
Save £303 GBP (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,526 GBP at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812624374 or 812624374. Listed at 4 retailers as of October 31, 2026, with a 106% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812624374
Dimensions10.19 × 7.45 × 5.06 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.19 mm7.45 mm3.10 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812624374
Side View
Table 63.0%Crown 35.2°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 67.9%

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: Oct 31
Current: £1,526 GBP|Low: £287 GBP|High: £1,537 GBP|Avg: £798 GBP|-0.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£287 GBP
Retailer 5£525 GBP
Retailer 2£589 GBP
Retailer 4£638 GBP
Retailer 7£712 GBP
Retailer 6£788 GBP
Retailer 8£1,124 GBP
Rare Carat£1,526 GBP

37 data points across 8 retailers

4 retailers£287 GBP to £589 GBP

A
Cheapest Retailer
-
£287 GBP
$384 USD
Final sale: no returns
A
Retailer 2
-
£589 GBP
View
Retailer 3
-
£712 GBP
ZAR 15,419 ZAR
View
Price last confirmed 50 days ago
Most Expensive
Rare Carat
812624374 · Oct 14
£1,526 GBP
$2,045 USD
View
Price last confirmed 17 days ago
3 more retailers have this diamond
Prices start from £287 GBPSave up to £303 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
3.10ct Cushion
£287 GBP