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Cushion|Lab Grown|IGI

6.70ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG784636836

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784636836

Diamond specifications and retailer prices

From £1,668 GBP
$2,239 USD
As of November 1, 2026
Save £5,538 GBP (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £10,779 GBP at Queensmith · As of October 9, 2026
View at Queensmith

About this 6.7ct lab-grown cushion diamond

This 6.7ct 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 LG784636836 or 784636836. Listed at 18 retailers as of November 1, 2026, with a 332% 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

6.70
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784636836
Dimensions9.77 × 12.06 × 6.48 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.77 mm12.06 mm6.70 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784636836
Side View
Table 63.0%Crown 33°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 66.3%

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: £2,378 GBP|Low: £1,668 GBP|High: £7,206 GBP|Avg: £3,490 GBP|-3.1%
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 15£1,668 GBP
Retailer 16£1,729 GBP
Retailer 13£1,852 GBP
Retailer 2£1,936 GBP
Retailer 1£2,378 GBP
Retailer 14£2,470 GBP
Retailer 11£2,685 GBP
Retailer 10£3,203 GBP
Retailer 4£3,282 GBP
Retailer 12£3,345 GBP
Retailer 3£3,815 GBP
Retailer 6£4,690 GBP
Retailer 7£4,929 GBP
Retailer 9£4,937 GBP
Retailer 8£6,050 GBP
Retailer 5£7,206 GBP

39 data points across 16 retailers

18 retailers£1,668 GBP to £7,206 GBP

A
Cheapest Retailer
-
£1,668 GBP
$2,239 USD
Final sale: no returns
Retailer 2
-
£1,729 GBP
$2,320 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
£1,852 GBP
$2,485 USD
View
A
Retailer 4
-
£1,936 GBP
$2,598 USD
View
A
Retailer 5
-
£2,378 GBP
View
A
Retailer 6
-
£2,470 GBP
$3,315 USD
View
A
Retailer 7
-
£2,685 GBP
€3,432 EUR
View
B+
Retailer 8
-
£3,203 GBP
A$6,613 AUD
View
B+
Retailer 9
-
£3,282 GBP
View
B+
Retailer 10
-
£3,345 GBP
ZAR 72,522 ZAR
View
B+
Retailer 11
-
£3,815 GBP
$5,120 USD
View
B+
Retailer 12
-
£4,658 GBP
$6,251 USD
View
B+
Retailer 13
-
£4,690 GBP
$6,294 USD
View
B+
Retailer 14
-
£4,929 GBP
$6,614 USD
View
B+
Retailer 15
-
£4,937 GBP
View
B
Retailer 16
-
£6,050 GBP
$8,118 USD
View
B
Retailer 17
-
£7,206 GBP
$9,670 USD
View
Most Expensive
Queensmith
LG784636836 · Oct 9
£10,779 GBP
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from £1,668 GBPSave up to £5,538 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
6.70ct Cushion
£1,668 GBP