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Cushion|Lab Grown|IGI

6.57ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG841650845

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841650845

Diamond specifications and retailer prices

From $3,885 NZD
$2,186 USD
As of November 1, 2026
Save $10,834 NZD (74%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,560 NZD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 6.57ct lab-grown cushion diamond

This 6.57ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841650845 or 841650845. Listed at 18 retailers as of November 1, 2026, with a 279% 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

6.57
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841650845
Dimensions13.58 × 9.41 × 6.23 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.58 mm9.41 mm6.57 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841650845
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,061 NZD|Low: $3,885 NZD|High: $14,947 NZD|Avg: $8,187 NZD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 8$3,885 NZD
Retailer 10$4,165 NZD
Retailer 6$4,319 NZD
Retailer 16$4,651 NZD
Retailer 11$5,534 NZD
Retailer 13$5,755 NZD
Retailer 1$6,061 NZD
Retailer 14$7,455 NZD
Retailer 2$7,638 NZD
Retailer 17$7,786 NZD
Retailer 5$8,767 NZD
Retailer 3$10,379 NZD
Retailer 12$11,491 NZD
Retailer 15$12,492 NZD
Retailer 9$13,439 NZD
Retailer 7$14,086 NZD
Retailer 4$14,720 NZD

22 data points across 17 retailers

18 retailers$3,885 NZD to $14,720 NZD

A
Cheapest Retailer
-
$3,885 NZD
$2,186 USD
Final sale: no returns
A
Retailer 2
-
$4,165 NZD
£1,845 GBP
View
A
Retailer 3
-
$4,319 NZD
$2,430 USD
View
A
Retailer 4
-
$4,651 NZD
$2,617 USD
View
A
Retailer 5
-
$5,534 NZD
£2,452 GBP
View
A
Retailer 6
-
$5,755 NZD
$3,238 USD
View
A
Retailer 7
-
$6,061 NZD
€3,248 EUR
View
B+
Retailer 8
-
$7,455 NZD
A$6,453 AUD
View
B+
Retailer 9
-
$7,638 NZD
£3,384 GBP
View
B+
Retailer 10
-
$7,786 NZD
ZAR 70,775 ZAR
View
B+
Retailer 11
-
$8,767 NZD
$4,933 USD
View
B+
Retailer 12
-
$10,379 NZD
$5,840 USD
View
B+
Retailer 13
-
$11,491 NZD
£5,091 GBP
View
B
Retailer 14
-
$12,492 NZD
A$10,813 AUD
View
B+
Retailer 15
-
$13,439 NZD
SGD 10,218 SGD
View
B
Retailer 16
-
$14,086 NZD
$7,926 USD
View
B
Retailer 17
-
$14,720 NZD
$8,282 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMLGOKL · Oct 13
$15,560 NZD
$8,755 USD
View
Price last confirmed 20 days ago
17 more retailers have this diamond
Prices start from $3,885 NZDSave up to $10,834 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
6.57ct Cushion
$3,885 NZD