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Cushion|Lab Grown|IGI

3.10ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG578311053

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG578311053

Diamond specifications and retailer prices

From £516 GBP
$692 USD
As of October 31, 2026
Save £1,978 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,495 GBP at MOH London · As of October 29, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578311053 or 578311053. Listed at 14 retailers as of October 29, 2026, with prices from £516 to £2,495, a £1,978 spread on the same certified stone. MOH London lists it at £2,495. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578311053
Dimensions9.21 × 7.65 × 5.03 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.21 mm7.65 mm3.10 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578311053
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 31.7°Culet: NoneDepth 65.8%

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: £2,495 GBP|Low: £459 GBP|High: £2,515 GBP|Avg: £1,232 GBP|+17.7%
MOH London
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 1, 2026
Retailer 3£516 GBP
Retailer 8£572 GBP
Retailer 2£646 GBP
Retailer 7£661 GBP
Retailer 13£774 GBP
Retailer 11£840 GBP
Retailer 10£875 GBP
Retailer 6£888 GBP
Retailer 12£1,661 GBP
Retailer 5£1,847 GBP
Retailer 4£1,885 GBP
Retailer 9£2,217 GBP
MOH London£2,495 GBP

43 data points across 13 retailers

14 retailers£516 GBP to £2,495 GBP

A
Cheapest Retailer
-
£516 GBP
$692 USD
Final sale: no returns
Retailer 2
-
£572 GBP
$766 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£646 GBP
View
A
Retailer 4
-
£661 GBP
$885 USD
View
A
Retailer 5
-
£774 GBP
$1,037 USD
View
A
Retailer 6
-
£840 GBP
$1,125 USD
View
A
Retailer 7
-
£875 GBP
$1,173 USD
View
A
Retailer 8
-
£888 GBP
View
B+
Retailer 9
-
£1,661 GBP
View
B
Retailer 10
-
£1,796 GBP
HK$18,800 HKD
View
B
Retailer 11
-
£1,847 GBP
$2,474 USD
View
B
Retailer 12
-
£1,885 GBP
$2,526 USD
View
B
Retailer 13
-
£2,217 GBP
$2,970 USD
View
Most Expensive
B
MOH London
LG578311053 · Oct 29
£2,495 GBP
View
13 more retailers have this diamond
Prices start from £516 GBPSave up to £1,978 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
£516 GBP