Cushion|Lab Grown|IGI

6.50ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG838650073

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG838650073

Diamond specifications and retailer prices

From $1,606 USD
As of November 2, 2026
Save $2,312 USD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,235 USD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 LG838650073 or 838650073. Listed at 8 retailers as of October 31, 2026, with a 144% 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

6.50
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838650073
Dimensions12.31 × 9.55 × 6.22 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.31 mm9.55 mm6.50 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838650073
Side View
Table 69.0%Crown 36.7°Girdle: MED-THKPavilion 30.8°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
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 2
Current: $5,235 USD|Low: $1,606 USD|High: $5,235 USD|Avg: $2,911 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$1,606 USD
Retailer 3$1,735 USD
Retailer 2$1,761 USD
Retailer 7$1,799 USD
Retailer 5$2,846 USD
Retailer 4$3,835 USD
Retailer 8$3,918 USD
Rare Carat$5,235 USD

16 data points across 8 retailers

8 retailers$1,606 USD to $3,918 USD

A
Cheapest Retailer
-
$1,606 USD
A
Retailer 2
-
$1,735 USD
£1,366 GBP
View
A
Retailer 3
-
$1,761 USD
€1,677 EUR
View
B+
Retailer 4
-
$1,799 USD
View
B+
Retailer 5
-
$2,846 USD
View
B+
Retailer 6
-
$3,835 USD
£3,020 GBP
View
B+
Retailer 7
-
$3,918 USD
View
Most Expensive
Rare Carat
NM9554_l_838650073 · Oct 19
$5,235 USD
View
Price last confirmed 14 days ago
7 more retailers have this diamond
Prices start from $1,606 USDSave up to $2,312 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
$1,606 USD