Cushion|Lab Grown|IGI

4.09ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG811608122

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811608122

Diamond specifications and retailer prices

From $542 USD
As of October 31, 2026
Save $2,868 USD (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,410 USD at Frank Darling · As of October 26, 2026
View at Frank Darling

About this 4.09ct lab-grown cushion diamond

This 4.09ct 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 LG811608122 or 811608122. Listed at 6 retailers as of October 26, 2026, with prices from $542 to $3,410, a $2,868 spread on the same certified stone. Frank Darling lists it at $3,410. 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

4.09
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811608122
Dimensions11.32 × 8.12 × 5.53 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.32 mm8.12 mm4.09 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811608122
Side View
Table 60.0%Crown 37°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 68.1%

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: $3,410 USD|Low: $542 USD|High: $3,410 USD|Avg: $2,073 USD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 2$542 USD
Retailer 3$757 USD
Retailer 5$981 USD
Retailer 4$1,994 USD
Retailer 7$2,325 USD
Retailer 6$3,130 USD
Frank Darling$3,410 USD

21 data points across 7 retailers

6 retailers$542 USD to $3,410 USD

A
Cheapest Retailer
-
$542 USD
Final sale: no returns
B+
Retailer 2
-
$757 USD
View
Retailer 3
-
$1,994 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$2,325 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$3,130 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Frank Darling
100766630496KD · Oct 26
$3,410 USD
View
5 more retailers have this diamond
Prices start from $542 USDSave up to $2,868 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
4.09ct Cushion
$542 USD