Cushion|Lab Grown|IGI

12.36ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG729591057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729591057

Diamond specifications and retailer prices

From $5,830 NZD
$3,280 USD
As of November 2, 2026
Save $29,841 NZD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $35,670 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.36ct lab-grown cushion diamond

This 12.36ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG729591057 or 729591057. Listed at 14 retailers as of November 2, 2026, with prices from $5,830 to $35,670, a $29,841 spread on the same certified stone. Brilliant Earth lists it at $35,670. 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

12.36
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729591057
Dimensions13.38 × 12.46 × 7.99 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.38 mm12.46 mm12.36 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729591057
Side View
Table 63.0%Crown 34.2°Girdle: THK-VTKPavilion 30.2°Culet: NoneDepth 64.1%

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 2
Current: $35,670 NZD|Low: $5,826 NZD|High: $36,790 NZD|Avg: $12,249 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$5,826 NZD
Retailer 8$5,830 NZD
Retailer 12$6,617 NZD
Retailer 5$7,807 NZD
Retailer 7$9,020 NZD
Retailer 11$9,062 NZD
Retailer 3$10,049 NZD
Retailer 2$10,227 NZD
Retailer 6$10,796 NZD
Retailer 10$14,636 NZD
Retailer 4$16,220 NZD
Brilliant Earth$35,670 NZD

36 data points across 12 retailers

14 retailers$5,830 NZD to $35,670 NZD

Retailer 1
-
$5,826 NZD
$3,278 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$5,830 NZD
$3,280 USD
View
A
Retailer 3
-
$6,617 NZD
$3,723 USD
View
A
Retailer 4
-
$7,807 NZD
£3,459 GBP
View
A
Retailer 5
-
$9,020 NZD
ZAR 81,990 ZAR
View
A
Retailer 6
-
$9,062 NZD
$5,099 USD
View
B+
Retailer 7
-
$10,049 NZD
£4,452 GBP
View
B+
Retailer 8
-
$10,227 NZD
€5,480 EUR
View
B+
Retailer 9
-
$10,796 NZD
A$9,345 AUD
View
Retailer 10
-
$11,428 NZD
$6,430 USD
View
B+
Retailer 11
-
$14,636 NZD
$8,235 USD
View
B
Retailer 12
-
$16,220 NZD
$9,126 USD
View
B
Retailer 13
-
$20,304 NZD
$11,424 USD
View
Most Expensive
B
Brilliant Earth
16273365A · Nov 2
$35,670 NZD
$20,070 USD
View
13 more retailers have this diamond
Prices start from $5,830 NZDSave up to $29,841 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
12.36ct Cushion
$5,830 NZD