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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 $3,774 AUD
$2,645 USD
As of November 2, 2026
Save $11,165 AUD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,940 AUD 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 $3,774 to $14,940, a $11,165 spread on the same certified stone. Brilliant Earth lists it at $14,940. 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 2
Current: $14,940 AUD|Low: $3,416 AUD|High: $15,396 AUD|Avg: $7,527 AUD|-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 2, 2026
Retailer 5$3,416 AUD
Retailer 11$3,774 AUD
Retailer 6$4,064 AUD
Retailer 13$4,333 AUD
Retailer 8$4,831 AUD
Retailer 10$5,480 AUD
Retailer 4$5,532 AUD
Retailer 2$5,758 AUD
Retailer 9$6,558 AUD
Retailer 3$6,720 AUD
Retailer 14$9,537 AUD
Retailer 7$11,415 AUD
Retailer 12$12,327 AUD
Retailer 15$12,376 AUD
Brilliant Earth$14,940 AUD

38 data points across 15 retailers

14 retailers$3,774 AUD to $14,940 AUD

A
Cheapest Retailer
-
$3,774 AUD
$2,645 USD
Retailer 2
-
$4,064 AUD
$2,848 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$4,333 AUD
$3,037 USD
View
A
Retailer 4
-
$4,831 AUD
£2,666 GBP
View
A
Retailer 5
-
$5,480 AUD
ZAR 62,041 ZAR
View
A
Retailer 6
-
$5,532 AUD
$3,877 USD
View
A
Retailer 7
-
$5,758 AUD
€3,843 EUR
View
A
Retailer 8
-
$6,558 AUD
View
A
Retailer 9
-
$6,720 AUD
£3,708 GBP
View
B+
Retailer 10
-
$9,537 AUD
$6,684 USD
View
Retailer 11
-
$11,415 AUD
$8,000 USD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$12,327 AUD
$8,639 USD
View
B+
Retailer 13
-
$12,376 AUD
$8,673 USD
View
Most Expensive
B
Brilliant Earth
8047516A · Nov 2
$14,940 AUD
$10,470 USD
View
13 more retailers have this diamond
Prices start from $3,774 AUDSave up to $11,165 AUD

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
$3,774 AUD