CaratHunter
Plans
Cushion|Lab Grown|IGI

4.08ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG811658214

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811658214

Diamond specifications and retailer prices

From $488 USD
As of October 31, 2026
Save $2,322 USD (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,810 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.08ct lab-grown cushion diamond

This 4.08ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811658214 or 811658214. Listed at 4 retailers as of October 31, 2026, with prices from $488 to $2,810, a $2,322 spread on the same certified stone. Brilliant Earth lists it at $2,810. 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

4.08
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811658214
Dimensions11.40 × 8.25 × 5.55 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm8.25 mm4.08 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811658214
Side View
Table 62.0%Crown 35.1°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 67.3%

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: $2,810 USD|Low: $488 USD|High: $3,340 USD|Avg: $1,832 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$488 USD
Retailer 2$920 USD
Retailer 4$2,210 USD
Brilliant Earth$2,810 USD

39 data points across 4 retailers

4 retailers$488 USD to $2,810 USD

A
Cheapest Retailer
-
$488 USD
Final sale: no returns
A
Retailer 2
-
$920 USD
£725 GBP
View
Retailer 3
-
$2,210 USD
View
Price last confirmed 17 days ago
Most Expensive
B+
Brilliant Earth
21263515A · Oct 31
$2,810 USD
View
3 more retailers have this diamond
Prices start from $488 USDSave up to $2,322 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
4.08ct Cushion
$488 USD