Cushion|Lab Grown|IGI

3.59ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG850681535

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG850681535

Diamond specifications and retailer prices

From $806 USD
HK$6,300 HKD
As of October 31, 2026
Save $2,764 USD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,570 USD at Brilliant Earth · As of October 30, 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 LG850681535 or 850681535. Listed at 7 retailers as of October 30, 2026, with prices from $806 to $3,570, a $2,764 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 angle31.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850681535
Dimensions10.52 × 8.18 × 5.56 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.52 mm8.18 mm3.59 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850681535
Side View
Table 62.0%Crown 31.6°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 68.0%

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: Oct 31
Current: $875 USD|Low: $806 USD|High: $2,338 USD|Avg: $1,298 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 6$806 USD
Retailer 3$834 USD
Retailer 1$875 USD
Retailer 4$1,146 USD
Retailer 2$1,578 USD
Retailer 5$2,338 USD

2 data points across 6 retailers

7 retailers$806 USD to $3,570 USD

A
Cheapest Retailer
-
$806 USD
HK$6,300 HKD
A
Retailer 2
-
$834 USD
£657 GBP
View
A
Retailer 3
-
$875 USD
View
A
Retailer 4
-
$1,146 USD
View
A
Retailer 5
-
$1,578 USD
A$2,428 AUD
View
B+
Retailer 6
-
$2,338 USD
SGD 3,159 SGD
View
Most Expensive
B
Brilliant Earth
22369793A · Oct 30
$3,570 USD
View
6 more retailers have this diamond
Prices start from $806 USDSave up to $2,764 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
$806 USD