Radiant|Lab Grown|IGI

1.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG526258942

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG526258942

Diamond specifications and retailer prices

From $176 USD
As of November 2, 2026
Save $1,514 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,690 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant 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 LG526258942 or 526258942. Listed at 16 retailers as of November 2, 2026, with prices from $176 to $1,690, a $1,514 spread on the same certified stone. Do Amore Diamonds lists it at $1,690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526258942
Dimensions8.20 × 5.75 × 3.86 mm
L/W Ratio1.43
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
8.20 mm5.75 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526258942
Side View
Table 65.5%Crown 39.2°Girdle: Slightly ThickPavilion 32.4°Culet: NoneDepth 67.1%

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: Nov 2
Current: $1,690 USD|Low: $169 USD|High: $11,929 USD|Avg: $1,235 USD
Do Amore 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 17$176 USD
Retailer 4$197 USD
Retailer 21$204 USD
Retailer 3$218 USD
Retailer 18$218 USD
Retailer 8$294 USD
Retailer 9$375 USD
Retailer 10$395 USD
Retailer 13$416 USD
Retailer 19$423 USD
Retailer 6$485 USD
Retailer 2$561 USD
Retailer 16$742 USD
Retailer 20$775 USD
Retailer 14$927 USD
Retailer 5$944 USD
Retailer 7$947 USD
Retailer 15$1,132 USD
Do Amore Diamonds$1,690 USD
Retailer 12$1,730 USD
Retailer 11$11,929 USD

24 data points across 21 retailers

16 retailers$176 USD to $1,690 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$197 USD
View
Final sale: no returns
A
Retailer 3
-
$204 USD
View
Retailer 4
-
$218 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$218 USD
View
B+
Retailer 6
-
$294 USD
View
A
Retailer 7
-
$375 USD
View
A
Retailer 8
-
$416 USD
View
Retailer 9
-
$485 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$561 USD
View
B+
Retailer 11
-
$742 USD
View
B+
Retailer 12
-
$775 USD
View
B+
Retailer 13
-
$803 USD
View
B
Retailer 14
-
$947 USD
View
B+
Retailer 15
-
$1,132 USD
View
Most Expensive
B
Do Amore Diamonds
27-1E817F5AB · Nov 2
$1,690 USD
View
15 more retailers have this diamond
Prices start from $176 USDSave up to $1,514 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
1.51ct Radiant
$176 USD