Cushion|Lab Grown|IGI

6.54ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG787610025

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787610025

Diamond specifications and retailer prices

From £1,638 GBP
$2,198 USD
As of November 1, 2026
Save £5,397 GBP (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £10,174 GBP at Queensmith · As of October 9, 2026
View at Queensmith

About this 6.54ct lab-grown cushion diamond

This 6.54ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787610025 or 787610025. Listed at 18 retailers as of November 1, 2026, with a 329% 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

6.54
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787610025
Dimensions9.73 × 11.63 × 6.63 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm11.63 mm6.54 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787610025
Side View
Table 65.0%Crown 33.5°Girdle: THK-VTKPavilion 34°Culet: NoneDepth 68.1%

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: £2,635 GBP|Low: £1,638 GBP|High: £7,035 GBP|Avg: £3,428 GBP|-6.1%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 4£1,638 GBP
Retailer 5£1,697 GBP
Retailer 14£1,822 GBP
Retailer 15£1,902 GBP
Retailer 9£2,334 GBP
Retailer 13£2,426 GBP
Retailer 1£2,635 GBP
Retailer 11£3,144 GBP
Retailer 2£3,225 GBP
Retailer 12£3,283 GBP
Retailer 16£3,650 GBP
Retailer 6£4,602 GBP
Retailer 7£4,845 GBP
Retailer 10£4,846 GBP
Retailer 8£5,939 GBP
Retailer 3£7,035 GBP

40 data points across 16 retailers

18 retailers£1,638 GBP to £7,035 GBP

A
Cheapest Retailer
-
£1,638 GBP
$2,198 USD
Final sale: no returns
Retailer 2
-
£1,697 GBP
$2,277 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
£1,822 GBP
$2,445 USD
View
A
Retailer 4
-
£1,902 GBP
$2,553 USD
View
A
Retailer 5
-
£2,334 GBP
View
A
Retailer 6
-
£2,426 GBP
$3,255 USD
View
A
Retailer 7
-
£2,635 GBP
€3,367 EUR
View
B+
Retailer 8
-
£3,144 GBP
A$6,490 AUD
View
B+
Retailer 9
-
£3,225 GBP
View
B+
Retailer 10
-
£3,283 GBP
ZAR 71,173 ZAR
View
B+
Retailer 11
-
£3,650 GBP
$4,898 USD
View
B+
Retailer 12
-
£4,571 GBP
$6,134 USD
View
B
Retailer 13
-
£4,602 GBP
$6,176 USD
View
B
Retailer 14
-
£4,845 GBP
$6,501 USD
View
B+
Retailer 15
-
£4,846 GBP
View
B
Retailer 16
-
£5,939 GBP
$7,970 USD
View
B
Retailer 17
-
£7,035 GBP
$9,440 USD
View
Most Expensive
Queensmith
LG787610025 · Oct 9
£10,174 GBP
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from £1,638 GBPSave up to £5,397 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
6.54ct Cushion
£1,638 GBP