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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 $2,854 NZD
$1,606 USD
As of November 2, 2026
Save $4,109 NZD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,304 NZD 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
Colour
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

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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 2
Current: $9,304 NZD|Low: $2,854 NZD|High: $9,304 NZD|Avg: $5,165 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 6$2,854 NZD
Retailer 2$3,084 NZD
Retailer 4$3,130 NZD
Retailer 7$3,197 NZD
Retailer 5$5,058 NZD
Retailer 3$6,781 NZD
Retailer 8$6,963 NZD
Rare Carat$9,304 NZD

17 data points across 8 retailers

8 retailers$2,854 NZD to $6,963 NZD

A
Cheapest Retailer
-
$2,854 NZD
$1,606 USD
A
Retailer 2
-
$3,084 NZD
£1,366 GBP
View
A
Retailer 3
-
$3,130 NZD
€1,677 EUR
View
B+
Retailer 4
-
$3,197 NZD
$1,799 USD
View
B+
Retailer 5
-
$5,058 NZD
$2,846 USD
View
B+
Retailer 6
-
$6,781 NZD
£3,004 GBP
View
B+
Retailer 7
-
$6,963 NZD
$3,918 USD
View
Most Expensive
Rare Carat
NM9554_l_838650073 · Oct 19
$9,304 NZD
$5,235 USD
View
Price last confirmed 15 days ago
7 more retailers have this diamond
Prices start from $2,854 NZDSave up to $4,109 NZD

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
$2,854 NZD