CaratHunter
Plans
Cushion|Lab Grown|IGI

3.50ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG522237367

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG522237367

Diamond specifications and retailer prices

From $2,320 USD
As of November 2, 2026
Save $10,142 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $17,739 USD at MOH London · As of November 3, 2026
View at MOH London

About this 3.5ct lab-grown cushion diamond

This 3.5ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522237367 or 522237367. Listed at 7 retailers as of November 2, 2026, with a 437% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.50
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237367
Dimensions8.92 × 8.18 × 5.30 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.92 mm8.18 mm3.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237367
Side View
Table 61.0%Crown 36.3°Girdle: THK-VTKPavilion 32.5°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $17,739 USD|Low: $2,320 USD|High: $17,977 USD|Avg: $10,431 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$2,320 USD
Retailer 10$8,152 USD
Retailer 6$9,407 USD
Retailer 7$9,660 USD
Retailer 5$9,743 USD
Retailer 8$9,964 USD
Retailer 4$11,273 USD
Retailer 2$12,462 USD
Retailer 9$12,553 USD
MOH London$17,739 USD

36 data points across 10 retailers

7 retailers$2,320 USD to $12,462 USD

B+
Cheapest Retailer
-
$2,320 USD
B
Retailer 2
-
$9,407 USD
View
Final sale: no returns
B
Retailer 3
-
$9,660 USD
View
Retailer 4
-
$9,743 USD
View
Price last confirmed 21 days ago
B
Retailer 5
-
$11,273 USD
View
B
Retailer 6
-
$12,462 USD
£9,812 GBP
View
Most Expensive
MOH London
LG522237367 · Nov 3
$17,739 USD
£13,968 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $2,320 USDSave up to $10,142 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.

B+
3.50ct Cushion
$2,320 USD