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Cushion|Lab Grown|IGI

3.10ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG522237403

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522237403

Diamond specifications and retailer prices

From $4,120 USD
As of October 29, 2026
Save $5,715 USD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $23,655 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct 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 LG522237403 or 522237403. Listed at 10 retailers as of October 29, 2026, with a 139% 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

3.10
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237403
Dimensions8.58 × 8.14 × 5.13 mm
L/W Ratio1.05
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
8.58 mm8.14 mm3.10 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237403
Side View
Table 61.5%Crown 32.9°Girdle: THK-VTKPavilion 33.6°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $23,655 USD|Low: $4,120 USD|High: $26,639 USD|Avg: $14,093 USD|-9.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7$4,120 USD
Retailer 5$8,386 USD
Retailer 13$9,399 USD
Retailer 10$9,835 USD
Retailer 8$10,187 USD
Retailer 3$10,244 USD
Retailer 9$11,785 USD
Retailer 4$13,124 USD
Retailer 11$14,600 USD
Retailer 2$18,647 USD
Retailer 6$23,594 USD
Cape Diamonds$23,655 USD
Retailer 12$26,639 USD

19 data points across 13 retailers

10 retailers$4,120 USD to $9,835 USD

B
Cheapest Retailer
-
$4,120 USD
B
Retailer 2
-
$9,399 USD
View
B
Retailer 3
-
$9,835 USD
View
Final sale: no returns
Retailer 4
-
$10,187 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$11,785 USD
View
Price under review
Retailer 6
-
$14,600 USD
£11,496 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_522237403 · Oct 29
$23,655 USD
ZAR 382,146 ZAR
View
Price under review
6 more retailers have this diamond
Prices start from $4,120 USDSave up to $5,715 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
3.10ct Cushion
$4,120 USD