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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 $3,229 NZD
$1,820 USD
As of November 1, 2026
Save $22,693 NZD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $25,923 NZD at Brilliant Earth · As of October 31, 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 15 retailers as of October 31, 2026, with prices from $3,229 to $25,923, a $22,693 spread on the same certified stone. Brilliant Earth lists it at $25,923. 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: Nov 1
Current: $9,232 NZD|Low: $3,229 NZD|High: $17,370 NZD|Avg: $5,804 NZD
Retailer 1
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
November 1, 2026
Retailer 11$3,229 NZD
Retailer 10$3,404 NZD
Retailer 6$3,620 NZD
Retailer 4$3,896 NZD
Retailer 7$4,118 NZD
Retailer 8$4,191 NZD
Retailer 2$4,885 NZD
Retailer 13$4,922 NZD
Retailer 12$5,989 NZD
Retailer 5$7,979 NZD
Retailer 3$8,584 NZD
Retailer 1$9,232 NZD
Retailer 14$10,250 NZD
Retailer 9$17,370 NZD

10 data points across 14 retailers

15 retailers$3,229 NZD to $25,923 NZD

A
Cheapest Retailer
-
$3,229 NZD
$1,820 USD
A
Retailer 2
-
$3,404 NZD
£1,511 GBP
View
A
Retailer 3
-
$3,896 NZD
$2,196 USD
View
A
Retailer 4
-
$4,118 NZD
$2,321 USD
View
A
Retailer 5
-
$4,191 NZD
$2,362 USD
View
A
Retailer 6
-
$4,885 NZD
$2,753 USD
View
A
Retailer 7
-
$4,922 NZD
€2,642 EUR
View
B+
Retailer 8
-
$5,989 NZD
A$5,193 AUD
View
B+
Retailer 9
-
$7,979 NZD
$4,497 USD
View
B+
Retailer 10
-
$8,584 NZD
$4,838 USD
View
B
Retailer 11
-
$9,232 NZD
£4,097 GBP
View
B
Retailer 12
-
$10,250 NZD
A$8,888 AUD
View
Retailer 13
-
$14,106 NZD
$7,950 USD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$17,370 NZD
$9,790 USD
View
Most Expensive
B
Brilliant Earth
22396200A · Oct 31
$25,923 NZD
$14,610 USD
View
14 more retailers have this diamond
Prices start from $3,229 NZDSave up to $22,693 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
6.12ct Cushion
$3,229 NZD