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Cushion|Lab Grown|IGI

12.16ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG597362291

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG597362291

Diamond specifications and retailer prices

From $4,701 NZD
$2,645 USD
As of November 3, 2026
Save $13,907 NZD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,608 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.16ct lab-grown cushion diamond

This 12.16ct 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 LG597362291 or 597362291. Listed at 14 retailers as of November 2, 2026, with prices from $4,701 to $18,608, a $13,907 spread on the same certified stone. Brilliant Earth lists it at $18,608. 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

12.16
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597362291
Dimensions15.85 × 12.20 × 8.18 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.85 mm12.20 mm12.16 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597362291
Side View
Table 66.0%Crown 30.4°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 67.0%

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: Nov 3
Current: $18,608 NZD|Low: $4,255 NZD|High: $19,177 NZD|Avg: $9,371 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
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 5$4,255 NZD
Retailer 11$4,701 NZD
Retailer 6$5,062 NZD
Retailer 13$5,398 NZD
Retailer 2$6,009 NZD
Retailer 10$6,825 NZD
Retailer 4$6,891 NZD
Retailer 8$7,172 NZD
Retailer 9$8,169 NZD
Retailer 3$8,370 NZD
Retailer 14$11,879 NZD
Retailer 7$14,218 NZD
Retailer 12$15,354 NZD
Retailer 15$15,415 NZD
Brilliant Earth$18,608 NZD

39 data points across 15 retailers

14 retailers$4,701 NZD to $18,608 NZD

A
Cheapest Retailer
-
$4,701 NZD
$2,645 USD
Retailer 2
-
$5,062 NZD
$2,848 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$5,398 NZD
$3,037 USD
View
A
Retailer 4
-
$6,009 NZD
£2,662 GBP
View
A
Retailer 5
-
$6,825 NZD
ZAR 62,041 ZAR
View
A
Retailer 6
-
$6,891 NZD
$3,877 USD
View
A
Retailer 7
-
$7,172 NZD
€3,843 EUR
View
A
Retailer 8
-
$8,169 NZD
A$7,071 AUD
View
A
Retailer 9
-
$8,370 NZD
£3,708 GBP
View
B+
Retailer 10
-
$11,879 NZD
$6,684 USD
View
Retailer 11
-
$14,218 NZD
$8,000 USD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$15,354 NZD
$8,639 USD
View
B+
Retailer 13
-
$15,415 NZD
$8,673 USD
View
Most Expensive
B
Brilliant Earth
8047516A · Nov 2
$18,608 NZD
$10,470 USD
View
13 more retailers have this diamond
Prices start from $4,701 NZDSave up to $13,907 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
12.16ct Cushion
$4,701 NZD