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Cushion|Lab Grown|IGI

4.00ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG637456513

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG637456513

Diamond specifications and retailer prices

From $1,561 NZD
$878 USD
As of November 3, 2026
Save $10,832 NZD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,393 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG637456513 or 637456513. Listed at 15 retailers as of November 3, 2026, with prices from $1,561 to $12,393, a $10,832 spread on the same certified stone. Brilliant Earth lists it at $12,393. 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

4.00
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG637456513
Dimensions10.22 × 8.19 × 5.66 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.22 mm8.19 mm4.00 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637456513
Side View
Table 68.0%Crown 38.9°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 69.1%

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 3
Current: $12,393 NZD|Low: $1,561 NZD|High: $12,624 NZD|Avg: $4,716 NZD|-1.8%
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
Retailer 14
November 3, 2026
Retailer 13$1,561 NZD
Retailer 9$1,929 NZD
Retailer 11$1,977 NZD
Retailer 6$2,287 NZD
Retailer 4$2,347 NZD
Retailer 2$2,748 NZD
Retailer 7$3,807 NZD
Retailer 8$3,829 NZD
Retailer 5$4,932 NZD
Retailer 14$5,143 NZD
Retailer 12$5,471 NZD
Retailer 10$6,709 NZD
Brilliant Earth$12,393 NZD
Retailer 3$12,393 NZD

43 data points across 14 retailers

15 retailers$1,561 NZD to $12,393 NZD

A
Cheapest Retailer
-
$1,561 NZD
$878 USD
Final sale: no returns
A
Retailer 2
-
$1,929 NZD
$1,085 USD
View
A
Retailer 3
-
$2,141 NZD
$1,204 USD
View
A
Retailer 4
-
$2,287 NZD
$1,286 USD
View
A
Retailer 5
-
$2,347 NZD
$1,320 USD
View
A
Retailer 6
-
$2,748 NZD
£1,217 GBP
View
B+
Retailer 7
-
$3,807 NZD
ZAR 34,592 ZAR
View
B+
Retailer 8
-
$3,829 NZD
A$3,313 AUD
View
B+
Retailer 9
-
$4,932 NZD
£2,184 GBP
View
B+
Retailer 10
-
$5,143 NZD
$2,893 USD
View
B
Retailer 11
-
$5,471 NZD
$3,077 USD
View
B
Retailer 12
-
$6,376 NZD
$3,586 USD
View
Retailer 13
-
$6,709 NZD
£2,971 GBP
View
Price last confirmed 7 days ago
B
Retailer 14
-
$12,393 NZD
$6,970 USD
View
Most Expensive
B
Brilliant Earth
18830338A · Nov 3
$12,393 NZD
$6,970 USD
View
14 more retailers have this diamond
Prices start from $1,561 NZDSave up to $10,832 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
4.00ct Cushion
$1,561 NZD