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Cushion|Lab Grown|IGI

6.51ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG791660765

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG791660765

Diamond specifications and retailer prices

From €1,961 EUR
$2,199 USD
As of November 1, 2026
Save €7,018 EUR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €12,172 EUR at Queensmith · As of October 9, 2026
View at Queensmith

About this 6.51ct lab-grown cushion diamond

This 6.51ct 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 LG791660765 or 791660765. Listed at 18 retailers as of November 1, 2026, with a 358% 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

6.51
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791660765
Dimensions11.78 × 9.97 × 6.87 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.78 mm9.97 mm6.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791660765
Side View
Table 66.0%Crown 32.5°Girdle: MED-THKPavilion 39°Culet: NoneDepth 68.9%

Caratlytics Score

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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: €3,153 EUR|Low: €1,961 EUR|High: €11,127 EUR|Avg: €4,185 EUR|-6.7%
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 3€1,961 EUR
Retailer 17€2,031 EUR
Retailer 10€2,102 EUR
Retailer 2€2,180 EUR
Retailer 6€2,275 EUR
Retailer 11€2,793 EUR
Retailer 15€2,902 EUR
Retailer 1€3,153 EUR
Retailer 13€3,763 EUR
Retailer 8€3,859 EUR
Retailer 14€3,930 EUR
Retailer 7€4,333 EUR
Retailer 5€5,473 EUR
Retailer 4€5,799 EUR
Retailer 12€5,800 EUR
Retailer 9€7,109 EUR
Retailer 16€8,978 EUR

34 data points across 17 retailers

18 retailers€1,961 EUR to €8,978 EUR

A
Cheapest Retailer
-
€1,961 EUR
$2,199 USD
Final sale: no returns
Retailer 2
-
€2,031 EUR
$2,278 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
€2,102 EUR
£1,856 GBP
View
A
Retailer 4
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€2,180 EUR
$2,445 USD
View
A
Retailer 5
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€2,275 EUR
$2,552 USD
View
A
Retailer 6
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€2,793 EUR
£2,467 GBP
View
A
Retailer 7
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€2,902 EUR
$3,255 USD
View
A
Retailer 8
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€3,153 EUR
View
B+
Retailer 9
-
€3,763 EUR
A$6,493 AUD
View
B+
Retailer 10
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€3,859 EUR
£3,408 GBP
View
B+
Retailer 11
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€3,930 EUR
ZAR 71,207 ZAR
View
B+
Retailer 12
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€4,333 EUR
$4,860 USD
View
B+
Retailer 13
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€5,473 EUR
$6,138 USD
View
B+
Retailer 14
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€5,799 EUR
$6,504 USD
View
B+
Retailer 15
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€5,800 EUR
£5,122 GBP
View
B
Retailer 16
-
€7,109 EUR
$7,973 USD
View
B
Retailer 17
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€8,978 EUR
$10,070 USD
View
Most Expensive
Queensmith
LG791660765 · Oct 9
€12,172 EUR
£10,750 GBP
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from €1,961 EURSave up to €7,018 EUR

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
6.51ct Cushion
€1,961 EUR