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Cushion|Lab Grown|IGI

3.10ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG826696108

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826696108

Diamond specifications and retailer prices

From £487 GBP
$652 USD
As of November 1, 2026
Save £2,506 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,993 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826696108 or 826696108. Listed at 18 retailers as of November 1, 2026, with prices from £487 to £2,993, a £2,506 spread on the same certified stone. Rare Carat lists it at £2,993. 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
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826696108
Dimensions10.25 × 7.35 × 4.79 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
10.25 mm7.35 mm3.10 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826696108
Side View
Table 66.0%Crown 40.9°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,993 GBP|Low: £487 GBP|High: £2,993 GBP|Avg: £1,303 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 4£487 GBP
Retailer 9£552 GBP
Retailer 2£583 GBP
Retailer 5£638 GBP
Retailer 14£722 GBP
Retailer 17£784 GBP
Retailer 11£842 GBP
Retailer 6£1,143 GBP
Retailer 8£1,176 GBP
Retailer 7£1,350 GBP
Retailer 12£1,558 GBP
Retailer 16£1,721 GBP
Retailer 3£1,745 GBP
Retailer 15£1,781 GBP
Retailer 10£2,131 GBP
Retailer 13£2,340 GBP
Rare Carat£2,993 GBP

19 data points across 17 retailers

18 retailers£487 GBP to £2,993 GBP

A
Cheapest Retailer
-
£487 GBP
$652 USD
Final sale: no returns
Retailer 2
-
£552 GBP
$740 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£583 GBP
View
A
Retailer 4
-
£638 GBP
$855 USD
View
A
Retailer 5
-
£722 GBP
$968 USD
View
A
Retailer 6
-
£784 GBP
€1,001 EUR
View
A
Retailer 7
-
£842 GBP
View
A
Retailer 8
-
£1,143 GBP
A$2,356 AUD
View
A
Retailer 9
-
£1,176 GBP
ZAR 25,445 ZAR
View
B+
Retailer 10
-
£1,350 GBP
$1,809 USD
View
B+
Retailer 11
-
£1,558 GBP
View
B+
Retailer 12
-
£1,721 GBP
$2,306 USD
View
B+
Retailer 13
-
£1,745 GBP
$2,339 USD
View
B+
Retailer 14
-
£1,781 GBP
$2,387 USD
View
B+
Retailer 15
-
£2,131 GBP
SGD 3,859 SGD
View
B
Retailer 16
-
£2,340 GBP
View
Retailer 17
-
£2,455 GBP
A$5,060 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Rare Carat
CN199-76A · Nov 1
£2,993 GBP
$4,010 USD
View
17 more retailers have this diamond
Prices start from £487 GBPSave up to £2,506 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
£487 GBP