Cushion|Lab Grown|IGI

3.99ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG823608562

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG823608562

Diamond specifications and retailer prices

From $522 USD
As of October 28, 2026
Save $210 USD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,945 USD at Brilliance · As of October 5, 2026
View at Brilliance

About this 3.99ct lab-grown cushion diamond

This 3.99ct 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 LG823608562 or 823608562. Listed at 3 retailers as of October 26, 2026, with a 40% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.99
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823608562
Dimensions9.20 × 8.98 × 6.15 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.20 mm8.98 mm3.99 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823608562
Side View
Table 61.0%Crown 35.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 68.5%

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 28
Current: $1,945 USD|Low: $509 USD|High: $4,605 USD|Avg: $2,000 USD|-9.7%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 27, 2026
Retailer 2$522 USD
Retailer 3$732 USD
Retailer 5$1,017 USD
Retailer 6$1,170 USD
Retailer 7$1,269 USD
Brilliance$1,945 USD
Retailer 8$2,159 USD
Retailer 9$4,070 USD
Retailer 4$4,604 USD

12 data points across 9 retailers

3 retailers$522 USD to $732 USD

A
Cheapest Retailer
-
$522 USD
Final sale: no returns
B+
Retailer 2
-
$732 USD
View
Most Expensive
Brilliance
D45376271 · Oct 5
$1,945 USD
View
Price last confirmed 27 days ago
2 more retailers have this diamond
Prices start from $522 USDSave up to $210 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
3.99ct Cushion
$522 USD