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Cushion|Lab Grown|IGI

3.59ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG623489834

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG623489834

Diamond specifications and retailer prices

From $523 USD
As of October 29, 2026
Save $3,047 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,570 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.59ct lab-grown cushion diamond

This 3.59ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623489834 or 623489834. Listed at 16 retailers as of October 29, 2026, with prices from $523 to $3,570, a $3,047 spread on the same certified stone. Brilliant Earth lists it at $3,570. 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

3.59
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623489834
Dimensions10.30 × 8.29 × 5.53 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Top View
10.30 mm8.29 mm3.59 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623489834
Side View
Table 64.0%Crown 29.1°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 66.7%

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 29
Current: $3,570 USD|Low: $498 USD|High: $3,640 USD|Avg: $1,392 USD|-1.9%
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 31, 2026
Retailer 15$523 USD
Retailer 16$579 USD
Retailer 14$648 USD
Retailer 9$720 USD
Retailer 4$906 USD
Retailer 11$919 USD
Retailer 2$960 USD
Retailer 3$973 USD
Retailer 10$1,223 USD
Retailer 13$1,257 USD
Retailer 5$1,257 USD
Retailer 6$1,891 USD
Retailer 7$2,045 USD
Retailer 12$2,139 USD
Retailer 8$2,167 USD
Brilliant Earth$3,570 USD

39 data points across 16 retailers

16 retailers$523 USD to $3,570 USD

A
Cheapest Retailer
-
$523 USD
Final sale: no returns
Retailer 2
-
$579 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$648 USD
£510 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$720 USD
View
B+
Retailer 5
-
$906 USD
View
A
Retailer 6
-
$919 USD
€875 EUR
View
A
Retailer 7
-
$960 USD
£756 GBP
View
A
Retailer 8
-
$973 USD
View
A
Retailer 9
-
$1,223 USD
A$1,882 AUD
View
A
Retailer 10
-
$1,257 USD
ZAR 20,305 ZAR
View
A
Retailer 11
-
$1,257 USD
View
B+
Retailer 12
-
$1,891 USD
View
Retailer 13
-
$2,045 USD
View
Price last confirmed 20 days ago
B+
Retailer 14
-
$2,139 USD
£1,684 GBP
View
B+
Retailer 15
-
$2,167 USD
View
Most Expensive
B
Brilliant Earth
9396630A · Oct 29
$3,570 USD
View
15 more retailers have this diamond
Prices start from $523 USDSave up to $3,047 USD

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
3.59ct Cushion
$523 USD