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Cushion|Lab Grown|IGI

3.10ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG837671408

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837671408

Diamond specifications and retailer prices

From £579 GBP
$776 USD
As of November 1, 2026
Save £2,417 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,997 GBP at Rare Carat · As of November 1, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837671408 or 837671408. Listed at 19 retailers as of November 1, 2026, with prices from £579 to £2,997, a £2,417 spread on the same certified stone. Rare Carat lists it at £2,997. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837671408
Dimensions10.26 × 7.35 × 4.96 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.26 mm7.35 mm3.10 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837671408
Side View
Table 65.0%Crown 40.1°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.5%

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 1
Current: £2,997 GBP|Low: £579 GBP|High: £3,026 GBP|Avg: £1,618 GBP|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 7£579 GBP
Retailer 5£599 GBP
Retailer 17£739 GBP
Retailer 19£771 GBP
Retailer 6£858 GBP
Retailer 4£883 GBP
Retailer 13£929 GBP
Retailer 2£960 GBP
Retailer 14£1,354 GBP
Retailer 16£1,392 GBP
Retailer 10£1,537 GBP
Retailer 18£1,865 GBP
Retailer 12£2,044 GBP
Retailer 8£2,067 GBP
Retailer 3£2,135 GBP
Retailer 15£2,367 GBP
Retailer 9£2,452 GBP
Retailer 11£2,935 GBP
Rare Carat£2,997 GBP

37 data points across 19 retailers

19 retailers£579 GBP to £2,997 GBP

A
Cheapest Retailer
-
£579 GBP
$776 USD
Final sale: no returns
Retailer 2
-
£599 GBP
$803 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£739 GBP
$990 USD
View
Retailer 4
-
£771 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
£858 GBP
$1,150 USD
View
A
Retailer 6
-
£883 GBP
$1,183 USD
View
A
Retailer 7
-
£929 GBP
€1,185 EUR
View
A
Retailer 8
-
£960 GBP
View
A
Retailer 9
-
£1,354 GBP
A$2,791 AUD
View
A
Retailer 10
-
£1,392 GBP
ZAR 30,128 ZAR
View
A
Retailer 11
-
£1,537 GBP
$2,060 USD
View
B+
Retailer 12
-
£1,865 GBP
View
B+
Retailer 13
-
£2,044 GBP
$2,739 USD
View
B+
Retailer 14
-
£2,067 GBP
$2,770 USD
View
B+
Retailer 15
-
£2,135 GBP
$2,860 USD
View
B+
Retailer 16
-
£2,367 GBP
View
B+
Retailer 17
-
£2,452 GBP
SGD 4,440 SGD
View
Retailer 18
-
£2,935 GBP
A$6,050 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
Rare Carat
CN248-11BA · Nov 1
£2,997 GBP
$4,015 USD
View
18 more retailers have this diamond
Prices start from £579 GBPSave up to £2,417 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
£579 GBP