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Cushion|Lab Grown|IGI

3.57ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG668449966

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG668449966

Diamond specifications and retailer prices

From $1,499 NZD
$845 USD
As of October 31, 2026
Save $5,243 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,742 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.57ct lab-grown cushion diamond

This 3.57ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG668449966 or 668449966. Listed at 12 retailers as of October 29, 2026, with prices from $1,499 to $6,742, a $5,243 spread on the same certified stone. Brilliant Earth lists it at $6,742. 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

3.57
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668449966
Dimensions9.02 × 8.85 × 5.85 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.02 mm8.85 mm3.57 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668449966
Side View
Table 61.0%Crown 35.7°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 66.1%

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: Oct 31
Current: $6,742 NZD|Low: $1,348 NZD|High: $8,534 NZD|Avg: $3,271 NZD|-13.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7$1,499 NZD
Retailer 10$1,658 NZD
Retailer 2$1,729 NZD
Retailer 12$1,920 NZD
Retailer 4$1,943 NZD
Retailer 6$1,970 NZD
Retailer 13$2,787 NZD
Retailer 5$3,001 NZD
Retailer 11$4,061 NZD
Retailer 3$4,086 NZD
Retailer 9$5,305 NZD
Retailer 8$5,505 NZD
Brilliant Earth$6,742 NZD

38 data points across 13 retailers

12 retailers$1,499 NZD to $6,742 NZD

A
Cheapest Retailer
-
$1,499 NZD
$845 USD
Retailer 2
-
$1,658 NZD
£736 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,729 NZD
€928 EUR
View
A
Retailer 4
-
$1,920 NZD
$1,082 USD
View
A
Retailer 5
-
$1,943 NZD
$1,095 USD
View
A
Retailer 6
-
$1,970 NZD
£874 GBP
View
A
Retailer 7
-
$2,787 NZD
$1,571 USD
View
B+
Retailer 8
-
$4,061 NZD
$2,289 USD
View
Retailer 9
-
$4,086 NZD
$2,303 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$5,305 NZD
$2,990 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$5,505 NZD
£2,443 GBP
View
Most Expensive
B
Brilliant Earth
12459925A · Oct 29
$6,742 NZD
$3,800 USD
View
11 more retailers have this diamond
Prices start from $1,499 NZDSave up to $5,243 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
3.57ct Cushion
$1,499 NZD