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Cushion|Lab Grown|IGI

6.51ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG635414677

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG635414677

Diamond specifications and retailer prices

From $1,961 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $5,119 USD at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

About this 6.51ct lab-grown cushion diamond

This 6.51ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG635414677 or 635414677. Listed at 2 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.51
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635414677
Dimensions12.04 × 9.65 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.04 mm9.65 mm6.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635414677
Side View
Table 64.0%Crown 37.9°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $5,119 USD|Low: $1,878 USD|High: $13,530 USD|Avg: $4,486 USD|+3.4%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 23, 2026
Retailer 4$1,960 USD
Retailer 2$1,961 USD
Retailer 6$2,068 USD
Retailer 3$2,238 USD
Retailer 10$2,684 USD
Retailer 7$2,944 USD
Retailer 8$3,726 USD
Retailer 9$4,343 USD
Novita Diamonds$5,119 USD
Retailer 11$6,358 USD
Retailer 5$7,850 USD
Retailer 12$10,540 USD

73 data points across 12 retailers

2 retailers

A
Cheapest Retailer
-
$1,961 USD
Most Expensive
Novita Diamonds
cert_635414677 · Jul 4
$5,119 USD
A$7,876 AUD
View
Price last confirmed 121 days ago
1 more retailer has this diamond
Prices start from $1,961 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
6.51ct Cushion
$1,961 USD