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Cushion|Lab Grown|IGI

2.59ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG826644901

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826644901

Diamond specifications and retailer prices

From $548 AUD
$385 USD
As of October 27, 2026
Save $3,523 AUD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,071 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.59ct lab-grown cushion diamond

This 2.59ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826644901 or 826644901. Listed at 16 retailers as of October 27, 2026, with prices from $548 to $4,071, a $3,523 spread on the same certified stone. Brilliant Earth lists it at $4,071. 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

2.59
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826644901
Dimensions9.75 × 6.86 × 4.48 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.75 mm6.86 mm2.59 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826644901
Side View
Table 61.0%Crown 32°Girdle: THN-STKPavilion 33.1°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
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 27
Current: $4,071 AUD|Low: $548 AUD|High: $4,783 AUD|Avg: $1,908 AUD|-14.9%
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
October 29, 2026
Retailer 7$548 AUD
Retailer 12$645 AUD
Retailer 10$656 AUD
Retailer 4$918 AUD
Retailer 9$939 AUD
Retailer 3$979 AUD
Retailer 13$1,086 AUD
Retailer 16$1,510 AUD
Retailer 5$1,543 AUD
Retailer 11$1,920 AUD
Retailer 6$2,299 AUD
Retailer 14$2,381 AUD
Retailer 2$2,555 AUD
Retailer 8$2,605 AUD
Retailer 15$3,153 AUD
Brilliant Earth$4,071 AUD

41 data points across 16 retailers

16 retailers$548 AUD to $4,071 AUD

A
Cheapest Retailer
-
$548 AUD
$385 USD
Final sale: no returns
A
Retailer 2
-
$645 AUD
£357 GBP
View
A
Retailer 3
-
$656 AUD
HK$3,600 HKD
View
A
Retailer 4
-
$918 AUD
$645 USD
View
A
Retailer 5
-
$939 AUD
€628 EUR
View
B+
Retailer 6
-
$979 AUD
$688 USD
View
A
Retailer 7
-
$1,086 AUD
£601 GBP
View
A
Retailer 8
-
$1,510 AUD
$1,061 USD
View
A
Retailer 9
-
$1,543 AUD
$1,084 USD
View
A
Retailer 10
-
$1,920 AUD
SGD 1,823 SGD
View
B+
Retailer 11
-
$2,299 AUD
$1,615 USD
View
B+
Retailer 12
-
$2,381 AUD
£1,317 GBP
View
B+
Retailer 13
-
$2,555 AUD
$1,795 USD
View
Retailer 14
-
$2,605 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$3,153 AUD
$2,215 USD
View
Most Expensive
B
Brilliant Earth
20881747A · Oct 29
$4,071 AUD
$2,860 USD
View
15 more retailers have this diamond
Prices start from $548 AUDSave up to $3,523 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
2.59ct Cushion
$548 AUD