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Cushion|Lab Grown|IGI

6.50ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG745518304

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

Certificate IGI LG745518304

Diamond specifications and retailer prices

From $1,043 USD
As of November 1, 2026
Save $2,772 USD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,815 USD at MOH London · As of November 1, 2026
View at MOH London

About this 6.5ct lab-grown cushion diamond

This 6.5ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG745518304 or 745518304. Listed at 13 retailers as of November 1, 2026, with prices from $1,043 to $3,815, a $2,772 spread on the same certified stone. MOH London lists it at $3,815. 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

6.50
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745518304
Dimensions10.75 × 10.52 × 6.53 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm10.52 mm6.50 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745518304
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 62.1%

Caratlytics Score

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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: $3,815 USD|Low: $1,043 USD|High: $3,881 USD|Avg: $2,422 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11$1,043 USD
Retailer 3$1,085 USD
Retailer 8$1,255 USD
Retailer 2$1,666 USD
Retailer 13$1,733 USD
Retailer 7$2,003 USD
Retailer 10$2,092 USD
Retailer 5$2,834 USD
Retailer 4$2,926 USD
Retailer 9$3,071 USD
Retailer 6$3,382 USD
Retailer 12$3,669 USD
MOH London$3,815 USD

45 data points across 13 retailers

13 retailers$1,043 USD to $3,815 USD

A
Cheapest Retailer
-
$1,043 USD
Final sale: no returns
Retailer 2
-
$1,085 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,255 USD
View
A
Retailer 4
-
$1,666 USD
£1,312 GBP
View
B+
Retailer 5
-
$1,733 USD
View
A
Retailer 6
-
$2,003 USD
A$3,082 AUD
View
A
Retailer 7
-
$2,092 USD
ZAR 33,797 ZAR
View
B+
Retailer 8
-
$2,834 USD
View
B+
Retailer 9
-
$2,926 USD
£2,304 GBP
View
B+
Retailer 10
-
$3,071 USD
View
B+
Retailer 11
-
$3,382 USD
View
B+
Retailer 12
-
$3,669 USD
View
Most Expensive
B+
MOH London
LG745518304 · Nov 1
$3,815 USD
£3,004 GBP
View
12 more retailers have this diamond
Prices start from $1,043 USDSave up to $2,772 USD

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
6.50ct Cushion
$1,043 USD