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Cushion|Lab Grown|IGI

6.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG782647037

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG782647037

Diamond specifications and retailer prices

From $2,976 NZD
$1,677 USD
As of October 31, 2026
Save $16,613 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,588 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.09ct lab-grown cushion diamond

This 6.09ct 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 LG782647037 or 782647037. Listed at 17 retailers as of October 31, 2026, with prices from $2,976 to $19,588, a $16,613 spread on the same certified stone. Brilliant Earth lists it at $19,588. 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

6.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782647037
Dimensions10.64 × 10.47 × 7.00 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.64 mm10.47 mm6.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782647037
Side View
Table 63.0%Crown 35.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 66.9%

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: Oct 31
Current: $19,588 NZD|Low: $2,976 NZD|High: $22,658 NZD|Avg: $7,189 NZD|-13.5%
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 4$2,976 NZD
Retailer 6$3,084 NZD
Retailer 17$3,167 NZD
Retailer 16$3,265 NZD
Retailer 7$3,808 NZD
Retailer 11$4,356 NZD
Retailer 5$4,860 NZD
Retailer 13$5,004 NZD
Retailer 12$5,715 NZD
Retailer 14$5,969 NZD
Retailer 8$6,258 NZD
Retailer 9$7,436 NZD
Retailer 3$8,313 NZD
Retailer 2$8,808 NZD
Retailer 18$9,030 NZD
Retailer 15$10,628 NZD
Retailer 10$10,847 NZD
Brilliant Earth$19,588 NZD

41 data points across 18 retailers

17 retailers$2,976 NZD to $19,588 NZD

A
Cheapest Retailer
-
$2,976 NZD
$1,677 USD
Final sale: no returns
Retailer 2
-
$3,084 NZD
$1,738 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$3,167 NZD
$1,785 USD
View
Retailer 4
-
$3,265 NZD
£1,449 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
$3,808 NZD
$2,146 USD
View
A
Retailer 6
-
$4,356 NZD
£1,933 GBP
View
A
Retailer 7
-
$4,860 NZD
$2,739 USD
View
A
Retailer 8
-
$5,004 NZD
€2,686 EUR
View
B+
Retailer 9
-
$5,715 NZD
A$4,955 AUD
View
B+
Retailer 10
-
$5,969 NZD
ZAR 54,345 ZAR
View
B+
Retailer 11
-
$6,258 NZD
$3,527 USD
View
B+
Retailer 12
-
$7,436 NZD
£3,300 GBP
View
B+
Retailer 13
-
$8,313 NZD
$4,685 USD
View
B+
Retailer 14
-
$8,808 NZD
£3,909 GBP
View
B
Retailer 15
-
$9,030 NZD
$5,089 USD
View
B
Retailer 16
-
$10,847 NZD
$6,114 USD
View
Most Expensive
B
Brilliant Earth
18145805A · Oct 31
$19,588 NZD
$11,040 USD
View
16 more retailers have this diamond
Prices start from $2,976 NZDSave up to $16,613 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
6.09ct Cushion
$2,976 NZD