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Cushion|Lab Grown|IGI

6.79ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG841662634

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841662634

Diamond specifications and retailer prices

From £1,683 GBP
$2,258 USD
As of November 1, 2026
Save £4,696 GBP (74%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,725 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 6.79ct lab-grown cushion diamond

This 6.79ct 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 LG841662634 or 841662634. Listed at 18 retailers as of November 1, 2026, with a 279% 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

6.79
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841662634
Dimensions13.45 × 9.50 × 6.43 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.45 mm9.50 mm6.79 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841662634
Side View
Table 66.0%Crown 40°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 67.7%

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: £2,626 GBP|Low: £1,683 GBP|High: £6,477 GBP|Avg: £3,594 GBP|-2.5%
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 8£1,683 GBP
Retailer 10£1,804 GBP
Retailer 6£1,867 GBP
Retailer 16£2,008 GBP
Retailer 11£2,398 GBP
Retailer 13£2,490 GBP
Retailer 1£2,626 GBP
Retailer 14£3,229 GBP
Retailer 2£3,305 GBP
Retailer 17£3,372 GBP
Retailer 5£3,909 GBP
Retailer 3£4,497 GBP
Retailer 12£4,977 GBP
Retailer 15£5,413 GBP
Retailer 9£5,825 GBP
Retailer 7£6,098 GBP
Retailer 4£6,379 GBP

23 data points across 17 retailers

18 retailers£1,683 GBP to £6,379 GBP

A
Cheapest Retailer
-
£1,683 GBP
$2,258 USD
Final sale: no returns
A
Retailer 2
-
£1,804 GBP
View
A
Retailer 3
-
£1,867 GBP
$2,505 USD
View
A
Retailer 4
-
£2,008 GBP
$2,694 USD
View
A
Retailer 5
-
£2,398 GBP
View
A
Retailer 6
-
£2,490 GBP
$3,342 USD
View
A
Retailer 7
-
£2,626 GBP
€3,356 EUR
View
B+
Retailer 8
-
£3,229 GBP
A$6,666 AUD
View
B+
Retailer 9
-
£3,305 GBP
View
B+
Retailer 10
-
£3,372 GBP
ZAR 73,111 ZAR
View
B+
Retailer 11
-
£3,909 GBP
$5,245 USD
View
B+
Retailer 12
-
£4,497 GBP
$6,035 USD
View
B+
Retailer 13
-
£4,977 GBP
View
B
Retailer 14
-
£5,413 GBP
A$11,176 AUD
View
B+
Retailer 15
-
£5,825 GBP
SGD 10,563 SGD
View
B
Retailer 16
-
£6,098 GBP
$8,183 USD
View
B
Retailer 17
-
£6,379 GBP
$8,560 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMMIMJK · Oct 13
£6,725 GBP
$9,025 USD
View
Price last confirmed 20 days ago
17 more retailers have this diamond
Prices start from £1,683 GBPSave up to £4,696 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
6.79ct Cushion
£1,683 GBP