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Cushion|Lab Grown|IGI

4.05ct I VS2 Cushion Lab Grown Diamond

EX • I/VS2 • IGI LG842635370

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG842635370

Diamond specifications and retailer prices

From $1,498 USD
As of October 31, 2026
Save $4,157 USD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,655 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842635370 or 842635370. Listed at 9 retailers as of October 30, 2026, with prices from $1,498 to $5,655, a $4,157 spread on the same certified stone. Taylor and Hart lists it at $5,655. 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

4.05
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842635370
Dimensions11.76 × 8.08 × 5.10 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm8.08 mm4.05 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842635370
Side View
Table 54.0%Crown 38.7°Girdle: STK-THKPavilion 38.6°Culet: LargeDepth 63.1%

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: $3,250 USD|Low: $1,498 USD|High: $5,655 USD|Avg: $3,081 USD|-30.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
October 30, 2026
Retailer 4$1,498 USD
Retailer 6$1,780 USD
Retailer 5$1,870 USD
Retailer 7$2,300 USD
Retailer 2$2,583 USD
Retailer 1$3,250 USD
Retailer 8$3,886 USD
Retailer 3$4,618 USD
Taylor and Hart$5,655 USD

6 data points across 9 retailers

9 retailers$1,498 USD to $5,655 USD

A
Cheapest Retailer
-
$1,498 USD
A
Retailer 2
-
$1,780 USD
View
B+
Retailer 3
-
$1,870 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,300 USD
View
B+
Retailer 5
-
$2,583 USD
€2,460 EUR
View
B
Retailer 6
-
$3,250 USD
View
B
Retailer 7
-
$3,886 USD
£3,060 GBP
View
B
Retailer 8
-
$4,618 USD
£3,636 GBP
View
Most Expensive
B
Taylor and Hart
BV4NXBT · Oct 30
$5,655 USD
View
8 more retailers have this diamond
Prices start from $1,498 USDSave up to $4,157 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
4.05ct Cushion
$1,498 USD