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Cushion|Lab Grown|IGI

3.65ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG800663002

Shape and cutting style on the report: Rectangular cushion modified brilliant

Certificate IGI LG800663002

Diamond specifications and retailer prices

From £1,172 GBP
$1,573 USD
As of November 1, 2026
Save £4,098 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,270 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.65ct lab-grown cushion diamond

This 3.65ct 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 LG800663002 or 800663002. Listed at 15 retailers as of October 31, 2026, with prices from £1,172 to £5,270, a £4,098 spread on the same certified stone. Taylor and Hart lists it at £5,270. 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

3.65
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle43.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800663002
Dimensions10.71 × 7.19 × 4.63 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm7.19 mm3.65 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800663002
Side View
Table 67.0%Crown 37.7°Girdle: MED-STKPavilion 43.5°Culet: LargeDepth 64.4%

Caratlytics Score

How it works →
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 1
Current: £2,127 GBP|Low: £1,125 GBP|High: £4,342 GBP|Avg: £2,311 GBP|-0.5%
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
Retailer 14
November 2, 2026
Retailer 14£1,172 GBP
Retailer 13£1,275 GBP
Retailer 4£1,359 GBP
Retailer 12£1,359 GBP
Retailer 5£1,434 GBP
Retailer 9£1,487 GBP
Retailer 3£1,912 GBP
Retailer 1£2,127 GBP
Retailer 10£2,404 GBP
Retailer 11£2,812 GBP
Retailer 6£3,100 GBP
Retailer 8£3,388 GBP
Retailer 2£3,663 GBP
Retailer 7£4,285 GBP

44 data points across 14 retailers

15 retailers£1,172 GBP to £5,270 GBP

A
Cheapest Retailer
-
£1,172 GBP
$1,573 USD
A
Retailer 2
-
£1,275 GBP
$1,711 USD
View
A
Retailer 3
-
£1,359 GBP
$1,824 USD
View
Retailer 4
-
£1,359 GBP
$1,824 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
£1,434 GBP
$1,924 USD
View
Final sale: no returns
B+
Retailer 6
-
£1,487 GBP
$1,995 USD
View
B+
Retailer 7
-
£1,912 GBP
$2,566 USD
View
B+
Retailer 8
-
£2,127 GBP
View
B
Retailer 9
-
£2,404 GBP
$3,226 USD
View
B
Retailer 10
-
£2,812 GBP
$3,774 USD
View
B
Retailer 11
-
£3,100 GBP
View
B
Retailer 12
-
£3,388 GBP
A$6,995 AUD
View
B
Retailer 13
-
£3,663 GBP
$4,916 USD
View
B
Retailer 14
-
£4,285 GBP
View
Most Expensive
B
Taylor and Hart
2U67JHJ · Oct 31
£5,270 GBP
$7,072 USD
View
14 more retailers have this diamond
Prices start from £1,172 GBPSave up to £4,098 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
3.65ct Cushion
£1,172 GBP