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Cushion|Lab Grown|IGI

3.10ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG689566615

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689566615

Diamond specifications and retailer prices

From £594 GBP
$791 USD
As of October 29, 2026
Save £4,347 GBP (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,941 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689566615 or 689566615. Listed at 17 retailers as of October 29, 2026, with prices from £594 to £4,941, a £4,347 spread on the same certified stone. Brilliant Earth lists it at £4,941. 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
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566615
Dimensions9.54 × 7.97 × 5.29 mm
L/W Ratio1.20
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
9.54 mm7.97 mm3.10 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566615
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 66.4%

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 29
Current: £4,941 GBP|Low: £378 GBP|High: £5,099 GBP|Avg: £1,758 GBP|-3.1%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 29, 2026
Retailer 15£594 GBP
Retailer 14£683 GBP
Retailer 13£782 GBP
Retailer 18£788 GBP
Retailer 17£910 GBP
Retailer 11£970 GBP
Retailer 2£973 GBP
Retailer 4£978 GBP
Retailer 12£1,410 GBP
Retailer 5£1,536 GBP
Retailer 3£1,751 GBP
Retailer 8£1,916 GBP
Retailer 10£2,024 GBP
Retailer 9£2,177 GBP
Retailer 16£2,293 GBP
Retailer 7£2,810 GBP
Retailer 6£4,213 GBP
Brilliant Earth£4,941 GBP

8 data points across 18 retailers

17 retailers£594 GBP to £4,941 GBP

A
Cheapest Retailer
-
£594 GBP
$791 USD
Final sale: no returns
A
Retailer 2
-
£683 GBP
$910 USD
View
A
Retailer 3
-
£782 GBP
$1,041 USD
View
A
Retailer 4
-
£788 GBP
HK$8,200 HKD
View
A
Retailer 5
-
£910 GBP
$1,212 USD
View
A
Retailer 6
-
£970 GBP
€1,230 EUR
View
A
Retailer 7
-
£973 GBP
View
A
Retailer 8
-
£978 GBP
$1,303 USD
View
A
Retailer 9
-
£1,410 GBP
ZAR 30,332 ZAR
View
B+
Retailer 10
-
£1,536 GBP
$2,046 USD
View
B+
Retailer 11
-
£1,916 GBP
$2,551 USD
View
Retailer 12
-
£2,024 GBP
A$4,147 AUD
View
Price last confirmed 118 days ago
B+
Retailer 13
-
£2,177 GBP
$2,899 USD
View
B+
Retailer 14
-
£2,293 GBP
SGD 4,126 SGD
View
Retailer 15
-
£2,810 GBP
$3,743 USD
View
Price last confirmed 50 days ago
B
Retailer 16
-
£4,213 GBP
$5,610 USD
View
Most Expensive
B
Brilliant Earth
14959488Y · Oct 29
£4,941 GBP
$6,580 USD
View
16 more retailers have this diamond
Prices start from £594 GBPSave up to £4,347 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
£594 GBP