Cushion|Lab Grown|IGI

3.50ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG817639842

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817639842

Diamond specifications and retailer prices

From $766 USD
£603 GBP
As of October 30, 2026
Save $3,084 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,850 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown cushion diamond

This 3.5ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817639842 or 817639842. Listed at 11 retailers as of October 29, 2026, with prices from $766 to $3,850, a $3,084 spread on the same certified stone. Brilliant Earth lists it at $3,850. 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

3.50
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817639842
Dimensions10.71 × 7.99 × 5.44 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm7.99 mm3.50 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817639842
Side View
Table 62.0%Crown 33.3°Girdle: THN-STKPavilion 37.3°Culet: NoneDepth 68.1%

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 30
Current: $3,850 USD|Low: $764 USD|High: $3,990 USD|Avg: $2,164 USD|-3.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$766 USD
Retailer 8$781 USD
Retailer 9$1,014 USD
Retailer 10$1,111 USD
Retailer 7$1,115 USD
Retailer 5$1,526 USD
Retailer 4$1,799 USD
Retailer 11$2,262 USD
Retailer 3$3,118 USD
Retailer 6$3,153 USD
Retailer 12$3,449 USD
Brilliant Earth$3,850 USD

35 data points across 12 retailers

11 retailers$766 USD to $3,850 USD

A
Cheapest Retailer
-
$766 USD
£603 GBP
A
Retailer 2
-
$781 USD
HK$6,100 HKD
View
A
Retailer 3
-
$1,014 USD
View
A
Retailer 4
-
$1,111 USD
View
A
Retailer 5
-
$1,115 USD
View
A
Retailer 6
-
$1,526 USD
A$2,348 AUD
View
B+
Retailer 7
-
$2,262 USD
SGD 3,057 SGD
View
Retailer 8
-
$3,118 USD
View
Price last confirmed 102 days ago
B
Retailer 9
-
$3,153 USD
£2,483 GBP
View
B
Retailer 10
-
$3,449 USD
View
Most Expensive
B
Brilliant Earth
20584664A · Oct 29
$3,850 USD
View
10 more retailers have this diamond
Prices start from $766 USDSave up to $3,084 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
3.50ct Cushion
$766 USD