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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 $2,387 AUD
$1,677 USD
As of October 31, 2026
Save $13,329 AUD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $15,717 AUD 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 $2,387 to $15,717, a $13,329 spread on the same certified stone. Brilliant Earth lists it at $15,717. 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: $15,717 AUD|Low: $2,387 AUD|High: $18,179 AUD|Avg: $5,784 AUD|-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$2,387 AUD
Retailer 6$2,474 AUD
Retailer 17$2,541 AUD
Retailer 16$2,620 AUD
Retailer 7$3,055 AUD
Retailer 12$3,495 AUD
Retailer 5$3,899 AUD
Retailer 11$4,015 AUD
Retailer 2$4,585 AUD
Retailer 13$4,789 AUD
Retailer 8$5,021 AUD
Retailer 9$5,966 AUD
Retailer 3$6,670 AUD
Retailer 14$7,105 AUD
Retailer 18$7,245 AUD
Retailer 15$8,527 AUD
Retailer 10$8,703 AUD
Brilliant Earth$15,717 AUD

42 data points across 18 retailers

17 retailers$2,387 AUD to $15,717 AUD

A
Cheapest Retailer
-
$2,387 AUD
$1,677 USD
Final sale: no returns
Retailer 2
-
$2,474 AUD
$1,738 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$2,541 AUD
$1,785 USD
View
Retailer 4
-
$2,620 AUD
£1,449 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
$3,055 AUD
$2,146 USD
View
A
Retailer 6
-
$3,495 AUD
£1,933 GBP
View
A
Retailer 7
-
$3,899 AUD
$2,739 USD
View
A
Retailer 8
-
$4,015 AUD
€2,686 EUR
View
Retailer 9
-
$4,585 AUD
View
B+
Retailer 10
-
$4,789 AUD
ZAR 54,345 ZAR
View
B+
Retailer 11
-
$5,021 AUD
$3,527 USD
View
B+
Retailer 12
-
$5,966 AUD
£3,300 GBP
View
B+
Retailer 13
-
$6,670 AUD
$4,685 USD
View
B+
Retailer 14
-
$7,105 AUD
£3,930 GBP
View
B
Retailer 15
-
$7,245 AUD
$5,089 USD
View
B
Retailer 16
-
$8,703 AUD
$6,114 USD
View
Most Expensive
B
Brilliant Earth
18145805A · Oct 31
$15,717 AUD
$11,040 USD
View
16 more retailers have this diamond
Prices start from $2,387 AUDSave up to $13,329 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
6.09ct Cushion
$2,387 AUD