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Cushion|Lab Grown|IGI

6.37ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG830655481

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

Certificate IGI LG830655481

Diamond specifications and retailer prices

From $4,452 NZD
$2,505 USD
As of November 3, 2026
Save $9,802 NZD (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,254 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.37ct lab-grown cushion diamond

This 6.37ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830655481 or 830655481. Listed at 7 retailers as of November 2, 2026, with prices from $4,452 to $14,254, a $9,802 spread on the same certified stone. Brilliant Earth lists it at $14,254. 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

6.37
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830655481
Dimensions10.47 × 10.39 × 6.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm10.39 mm6.37 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830655481
Side View
Table 65.0%Crown 33.1°Girdle: MED-STKPavilion 35.1°CuletDepth 66.0%

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 3
Current: $14,254 NZD|Low: $3,910 NZD|High: $27,779 NZD|Avg: $9,457 NZD|-48.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$4,452 NZD
Retailer 7$5,394 NZD
Retailer 2$5,542 NZD
Retailer 5$6,360 NZD
Retailer 3$6,397 NZD
Retailer 4$9,803 NZD
Brilliant Earth$14,254 NZD

29 data points across 7 retailers

7 retailers$4,452 NZD to $14,254 NZD

A
Cheapest Retailer
-
$4,452 NZD
$2,505 USD
A
Retailer 2
-
$5,394 NZD
$3,035 USD
View
B+
Retailer 3
-
$5,542 NZD
$3,118 USD
View
B+
Retailer 4
-
$6,360 NZD
A$5,505 AUD
View
B+
Retailer 5
-
$6,397 NZD
€3,428 EUR
View
B
Retailer 6
-
$9,803 NZD
£4,343 GBP
View
Most Expensive
B
Brilliant Earth
21497480A · Nov 2
$14,254 NZD
$8,020 USD
View
6 more retailers have this diamond
Prices start from $4,452 NZDSave up to $9,802 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
6.37ct Cushion
$4,452 NZD