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Cushion|Lab Grown|IGI

3.10ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • IGI LG831621913

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831621913

Diamond specifications and retailer prices

From £993 GBP
As of November 4, 2026
Save £2,613 GBP (72%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,606 GBP at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831621913 or 831621913. Listed at 22 retailers as of November 4, 2026, with prices from £993 to £3,606, a £2,613 spread on the same certified stone. Taylor and Hart lists it at £3,606. 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
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621913
Dimensions9.15 × 7.89 × 4.86 mm
L/W Ratio1.16
Girdle conditionFaceted
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 Faint Blue
Top View
9.15 mm7.89 mm3.10 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621913
Side View
Table 59.0%Crown 33.6°Girdle: STK-THKPavilion 30.2°Culet: NoneDepth 61.6%

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 4
Current: £1,479 GBP|Low: £1,029 GBP|High: £4,667 GBP|Avg: £1,933 GBP|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 5£1,029 GBP
Retailer 6£1,130 GBP
Retailer 13£1,156 GBP
Retailer 1£1,479 GBP
Retailer 12£1,544 GBP
Retailer 10£1,564 GBP
Retailer 2£1,794 GBP
Retailer 9£2,324 GBP
Retailer 7£2,392 GBP
Retailer 4£2,850 GBP
Retailer 11£2,896 GBP
Retailer 3£2,948 GBP
Retailer 8£3,307 GBP

31 data points across 13 retailers

22 retailers£993 GBP to £3,606 GBP

A
Cheapest Retailer
-
£993 GBP
Final sale: no returns
Retailer 2
-
£1,029 GBP
View
Price last confirmed 24 days ago
A
Retailer 3
-
£1,130 GBP
View
A
Retailer 4
-
£1,156 GBP
View
B+
Retailer 5
-
£1,194 GBP
View
B+
Retailer 6
-
£1,215 GBP
View
B+
Retailer 7
-
£1,216 GBP
View
B+
Retailer 8
-
£1,479 GBP
View
B+
Retailer 9
-
£1,544 GBP
View
B+
Retailer 10
-
£1,564 GBP
View
B+
Retailer 11
-
£1,794 GBP
View
B
Retailer 12
-
£2,324 GBP
View
B
Retailer 13
-
£2,392 GBP
View
B
Retailer 14
-
£2,483 GBP
View
B
Retailer 15
-
£2,526 GBP
View
B
Retailer 16
-
£2,850 GBP
View
B
Retailer 17
-
£2,896 GBP
View
Retailer 18
-
£2,948 GBP
View
Price last confirmed 15 days ago
B
Retailer 19
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£3,242 GBP
View
B
Retailer 20
-
£3,307 GBP
View
B
Retailer 21
-
£3,447 GBP
View
Most Expensive
B
Taylor and Hart
7UUOEJA · Nov 4
£3,606 GBP
$4,868 USD
View
21 more retailers have this diamond
Prices start from £993 GBPSave up to £2,613 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
£993 GBP