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Cushion|Lab Grown|IGI

3.09ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG647423337

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG647423337

Diamond specifications and retailer prices

From $1,269 NZD
$715 USD
As of October 31, 2026
Save $8,756 NZD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,025 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct 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 LG647423337 or 647423337. Listed at 8 retailers as of October 31, 2026, with prices from $1,269 to $10,025, a $8,756 spread on the same certified stone. Brilliant Earth lists it at $10,025. 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

3.09
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647423337
Dimensions8.60 × 8.47 × 5.70 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
8.60 mm8.47 mm3.09 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647423337
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 67.3%

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: $10,025 NZD|Low: $1,269 NZD|High: $10,344 NZD|Avg: $3,922 NZD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$1,269 NZD
Retailer 4$1,526 NZD
Retailer 8$1,817 NZD
Retailer 7$1,881 NZD
Retailer 2$4,199 NZD
Retailer 3$4,356 NZD
Retailer 6$5,241 NZD
Brilliant Earth$10,025 NZD

10 data points across 8 retailers

8 retailers$1,269 NZD to $10,025 NZD

A
Cheapest Retailer
-
$1,269 NZD
$715 USD
Final sale: no returns
A
Retailer 2
-
$1,526 NZD
$860 USD
View
A
Retailer 3
-
$1,817 NZD
HK$8,000 HKD
View
A
Retailer 4
-
$1,881 NZD
$1,060 USD
View
B+
Retailer 5
-
$4,199 NZD
A$3,641 AUD
View
Retailer 6
-
$4,356 NZD
$2,455 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
$5,241 NZD
SGD 3,992 SGD
View
Most Expensive
B
Brilliant Earth
14886529Y · Oct 31
$10,025 NZD
$5,650 USD
View
7 more retailers have this diamond
Prices start from $1,269 NZDSave up to $8,756 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
3.09ct Cushion
$1,269 NZD