CaratHunter
Plans
Cushion|Lab Grown|IGI

3.90ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG825660379

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG825660379

Diamond specifications and retailer prices

From $1,184 USD
As of November 2, 2026
Save $3,525 USD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,202 USD at Taylor and Hart · As of October 14, 2026
View at Taylor and Hart

About this 3.9ct lab-grown cushion diamond

This 3.9ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825660379 or 825660379. Listed at 21 retailers as of November 1, 2026, with a 298% 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

3.90
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660379
Dimensions10.77 × 8.78 × 5.36 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.77 mm8.78 mm3.90 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660379
Side View
Table 57.0%Crown 36.1°Girdle: THN-STKPavilion 42°Culet: LargeDepth 61.0%

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: Nov 2
Current: $2,065 USD|Low: $1,145 USD|High: $5,202 USD|Avg: $2,497 USD|+23.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 2, 2026
Retailer 8$1,145 USD
Retailer 4$1,184 USD
Retailer 2$1,328 USD
Retailer 13$1,328 USD
Retailer 5$1,392 USD
Retailer 11$1,500 USD
Retailer 10$1,870 USD
Retailer 1$2,065 USD
Retailer 7$2,230 USD
Retailer 9$2,617 USD
Retailer 3$3,536 USD
Retailer 12$3,844 USD
Retailer 6$4,709 USD
Taylor and Hart$5,202 USD

34 data points across 14 retailers

21 retailers$1,184 USD to $4,709 USD

Retailer 1
-
$1,145 USD
Price last confirmed 39 days ago
Retailer 2
-
$1,145 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$1,184 USD
View
Retailer 4
-
$1,246 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$1,310 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$1,328 USD
View
Price last confirmed 20 days ago
Retailer 7
-
$1,328 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$1,328 USD
View
A
Retailer 9
-
$1,392 USD
View
Final sale: no returns
A
Retailer 10
-
$1,500 USD
View
A
Retailer 11
-
$1,870 USD
View
B+
Retailer 12
-
$2,065 USD
£1,626 GBP
View
B+
Retailer 13
-
$2,230 USD
€2,124 EUR
View
B+
Retailer 14
-
$2,617 USD
View
Retailer 15
-
$2,748 USD
View
Price last confirmed 25 days ago
Retailer 16
-
$2,748 USD
View
Price last confirmed 35 days ago
B
Retailer 17
-
$2,748 USD
View
Retailer 18
-
$3,536 USD
£2,784 GBP
View
Price last confirmed 18 days ago
B
Retailer 19
-
$3,844 USD
View
B
Retailer 20
-
$4,709 USD
£3,708 GBP
View
Most Expensive
Taylor and Hart
NWZXZUG · Oct 14
$5,202 USD
View
Price last confirmed 18 days ago
20 more retailers have this diamond
Prices start from $1,184 USDSave up to $3,525 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
3.90ct Cushion
$1,184 USD