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Cushion|Lab Grown|IGI

3.10ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG817626367

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817626367

Diamond specifications and retailer prices

From £570 GBP
$764 USD
As of November 1, 2026
Save £2,946 GBP (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,517 GBP at Frank Darling · As of November 1, 2026
View at Frank Darling

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 LG817626367 or 817626367. Listed at 6 retailers as of November 1, 2026, with prices from £570 to £3,517, a £2,946 spread on the same certified stone. Frank Darling lists it at £3,517. 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 angle34.9°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817626367
Dimensions10.38 × 7.49 × 5.00 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
10.38 mm7.49 mm3.10 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817626367
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 66.8%

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: £3,517 GBP|Low: £570 GBP|High: £5,194 GBP|Avg: £2,570 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4£570 GBP
Retailer 5£781 GBP
Retailer 2£1,767 GBP
Retailer 6£2,970 GBP
Retailer 3£3,164 GBP
Frank Darling£3,517 GBP

11 data points across 6 retailers

6 retailers£570 GBP to £3,517 GBP

A
Cheapest Retailer
-
£570 GBP
$764 USD
Final sale: no returns
A
Retailer 2
-
£781 GBP
$1,046 USD
View
B+
Retailer 3
-
£1,767 GBP
$2,368 USD
View
B
Retailer 4
-
£2,970 GBP
$3,980 USD
View
B
Retailer 5
-
£3,164 GBP
$4,240 USD
View
Most Expensive
B
Frank Darling
100190488061KD · Nov 1
£3,517 GBP
$4,712 USD
View
5 more retailers have this diamond
Prices start from £570 GBPSave up to £2,946 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
£570 GBP