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Cushion|Lab Grown|IGI

6.12ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG839636472

Certificate IGI LG839636472

Diamond specifications and retailer prices

From $3,126 AUD
$2,196 USD
As of October 30, 2026
Save $5,098 AUD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,318 AUD at Brilliant Earth · As of September 29, 2026
View at Brilliant Earth

About this 6.12ct lab-grown cushion diamond

This 6.12ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839636472 or 839636472. Listed at 8 retailers as of October 30, 2026, with a 163% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.12
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG839636472
Dimensions12.78 × 9.56 × 6.37 mm
L/W Ratio1.34
Top View
12.78 mm9.56 mm6.12 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839636472
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.6%

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: Oct 30
Current: $3,949 AUD|Low: $2,904 AUD|High: $8,224 AUD|Avg: $4,425 AUD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8$2,904 AUD
Retailer 5$3,126 AUD
Retailer 7$3,478 AUD
Retailer 3$3,919 AUD
Retailer 1$3,949 AUD
Retailer 6$6,402 AUD
Retailer 4$6,887 AUD
Retailer 2$8,224 AUD

9 data points across 8 retailers

8 retailers$3,126 AUD to $8,224 AUD

A
Cheapest Retailer
-
$3,126 AUD
$2,196 USD
A
Retailer 2
-
$3,478 AUD
$2,443 USD
View
A
Retailer 3
-
$3,919 AUD
$2,753 USD
View
A
Retailer 4
-
$3,949 AUD
€2,642 EUR
View
B+
Retailer 5
-
$6,402 AUD
$4,497 USD
View
B+
Retailer 6
-
$6,887 AUD
$4,838 USD
View
B
Retailer 7
-
$8,224 AUD
View
Most Expensive
Brilliant Earth
21602057A · Sep 29
$11,318 AUD
$7,950 USD
View
Price last confirmed 32 days ago
7 more retailers have this diamond
Prices start from $3,126 AUDSave up to $5,098 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
6.12ct Cushion
$3,126 AUD