Cushion|Lab Grown|IGI

3.10ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG835668399

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG835668399

Diamond specifications and retailer prices

From £727 GBP
$974 USD
As of October 29, 2026
Save £2,038 GBP (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,232 GBP at Rare Carat · As of October 21, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835668399 or 835668399. Listed at 14 retailers as of October 27, 2026, with a 280% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835668399
Dimensions10.12 × 6.66 × 4.36 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm6.66 mm3.10 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835668399
Side View
Table 68.0%Crown 41.2°Girdle: MED-THKPavilion 32.9°Culet: LargeDepth 65.5%

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: Oct 29
Current: £3,232 GBP|Low: £727 GBP|High: £3,265 GBP|Avg: £1,931 GBP|-1.0%
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
October 30, 2026
Retailer 12£727 GBP
Retailer 4£981 GBP
Retailer 8£1,028 GBP
Retailer 2£1,159 GBP
Retailer 13£1,211 GBP
Retailer 10£1,449 GBP
Retailer 7£1,749 GBP
Retailer 3£1,837 GBP
Retailer 6£2,252 GBP
Retailer 9£2,357 GBP
Retailer 11£2,614 GBP
Retailer 5£2,734 GBP
Retailer 14£2,765 GBP
Rare Carat£3,232 GBP

18 data points across 14 retailers

14 retailers£727 GBP to £2,765 GBP

A
Cheapest Retailer
-
£727 GBP
$974 USD
Final sale: no returns
A
Retailer 2
-
£981 GBP
$1,315 USD
View
A
Retailer 3
-
£1,028 GBP
$1,378 USD
View
A
Retailer 4
-
£1,159 GBP
View
A
Retailer 5
-
£1,211 GBP
$1,622 USD
View
A
Retailer 6
-
£1,449 GBP
$1,941 USD
View
B+
Retailer 7
-
£1,749 GBP
ZAR 37,865 ZAR
View
Retailer 8
-
£1,837 GBP
A$3,787 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£2,252 GBP
View
B+
Retailer 10
-
£2,357 GBP
$3,158 USD
View
B
Retailer 11
-
£2,614 GBP
$3,503 USD
View
Retailer 12
-
£2,734 GBP
SGD 4,951 SGD
View
Price last confirmed 14 days ago
B
Retailer 13
-
£2,765 GBP
View
Most Expensive
Rare Carat
YN1-26_l_835668399 · Oct 21
£3,232 GBP
$4,330 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from £727 GBPSave up to £2,038 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
£727 GBP