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Cushion|Lab Grown|IGI

12.05ct I VS2 Cushion Lab Grown Diamond

EX • I/VS2 • IGI LG843680797

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843680797

Diamond specifications and retailer prices

From $2,303 AUD
$1,618 USD
As of November 1, 2026
Save $6,694 AUD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,997 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.05ct lab-grown cushion diamond

This 12.05ct lab-grown cushion sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843680797 or 843680797. Listed at 3 retailers as of October 31, 2026, with prices from $2,303 to $8,997, a $6,694 spread on the same certified stone. Brilliant Earth lists it at $8,997. 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

12.05
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843680797
Dimensions16.26 × 11.70 × 7.74 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.26 mm11.70 mm12.05 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843680797
Side View
Table 64.0%Crown 36.5°Girdle: MED-THKPavilion 36.4°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $8,997 AUD|Low: $2,303 AUD|High: $16,969 AUD|Avg: $6,774 AUD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$2,303 AUD
Retailer 2$3,399 AUD
Brilliant Earth$8,997 AUD

24 data points across 3 retailers

3 retailers$2,303 AUD to $8,997 AUD

A
Cheapest Retailer
-
$2,303 AUD
$1,618 USD
Final sale: no returns
A
Retailer 2
-
$3,399 AUD
£1,880 GBP
View
Most Expensive
B+
Brilliant Earth
21713421A · Oct 31
$8,997 AUD
$6,320 USD
View
2 more retailers have this diamond
Prices start from $2,303 AUDSave up to $6,694 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
12.05ct Cushion
$2,303 AUD