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Cushion|Lab Grown|IGI

1.50ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG528230313

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG528230313

Diamond specifications and retailer prices

From $221 USD
As of October 30, 2026
Save $966 USD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,187 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG528230313 or 528230313. Listed at 17 retailers as of October 30, 2026, with prices from $221 to $1,187, a $966 spread on the same certified stone. Reve Diamonds lists it at $1,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528230313
Dimensions7.70 × 5.99 × 4.12 mm
L/W Ratio1.29
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
7.70 mm5.99 mm1.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528230313
Side View
Table 59.5%Crown 36.8°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $449 USD|Low: $157 USD|High: $1,280 USD|Avg: $650 USD|+6.5%
Retailer 1
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Retailer 18
Reve Diamonds
October 31, 2026
Retailer 4$221 USD
Retailer 2$245 USD
Retailer 12$329 USD
Retailer 3$330 USD
Retailer 16$346 USD
Retailer 14$421 USD
Retailer 1$449 USD
Retailer 8$483 USD
Retailer 6$495 USD
Retailer 10$525 USD
Retailer 15$572 USD
Retailer 17$592 USD
Retailer 5$647 USD
Retailer 9$842 USD
Retailer 7$956 USD
Retailer 18$960 USD
Retailer 13$1,153 USD
Retailer 11$1,160 USD
Reve Diamonds$1,187 USD

35 data points across 19 retailers

17 retailers$221 USD to $1,187 USD

A
Cheapest Retailer
-
$221 USD
Final sale: no returns
A
Retailer 2
-
$245 USD
View
A
Retailer 3
-
$329 USD
£259 GBP
View
B+
Retailer 4
-
$330 USD
View
A
Retailer 5
-
$346 USD
HK$2,700 HKD
View
A
Retailer 6
-
$421 USD
ZAR 6,806 ZAR
View
A
Retailer 7
-
$449 USD
€428 EUR
View
A
Retailer 8
-
$483 USD
View
A
Retailer 9
-
$572 USD
A$880 AUD
View
A
Retailer 10
-
$592 USD
View
B+
Retailer 11
-
$842 USD
View
B+
Retailer 12
-
$960 USD
£756 GBP
View
B+
Retailer 13
-
$975 USD
View
B+
Retailer 14
-
$1,003 USD
CA$1,393 CAD
View
B+
Retailer 15
-
$1,153 USD
£908 GBP
View
B+
Retailer 16
-
$1,160 USD
View
Most Expensive
B
Reve Diamonds
F27159ECE · Oct 30
$1,187 USD
View
16 more retailers have this diamond
Prices start from $221 USDSave up to $966 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
1.50ct Cushion
$221 USD