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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 $312 NZD
As of November 2, 2026
Save $2,686 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,998 NZD 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 $312 to $2,998, a $2,686 spread on the same certified stone. Do Amore Diamonds lists it at $2,998. 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
Colour
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

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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: Nov 2
Current: $2,998 NZD|Low: $300 NZD|High: $21,162 NZD|Avg: $2,191 NZD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 2, 2026
Retailer 17$312 NZD
Retailer 4$349 NZD
Retailer 21$362 NZD
Retailer 3$387 NZD
Retailer 18$387 NZD
Retailer 8$522 NZD
Retailer 9$665 NZD
Retailer 10$701 NZD
Retailer 13$738 NZD
Retailer 19$750 NZD
Retailer 6$860 NZD
Retailer 2$995 NZD
Retailer 16$1,316 NZD
Retailer 20$1,375 NZD
Retailer 14$1,644 NZD
Retailer 5$1,675 NZD
Retailer 7$1,680 NZD
Retailer 15$2,008 NZD
Do Amore Diamonds$2,998 NZD
Retailer 12$3,069 NZD
Retailer 11$21,162 NZD

24 data points across 21 retailers

16 retailers$312 NZD to $2,998 NZD

A
Cheapest Retailer
-
$312 NZD
A
Retailer 2
-
$349 NZD
View
Final sale: no returns
A
Retailer 3
-
$362 NZD
View
Retailer 4
-
$387 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$387 NZD
View
B+
Retailer 6
-
$522 NZD
View
A
Retailer 7
-
$665 NZD
View
A
Retailer 8
-
$738 NZD
View
Retailer 9
-
$860 NZD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$995 NZD
View
B+
Retailer 11
-
$1,316 NZD
View
B+
Retailer 12
-
$1,375 NZD
View
B+
Retailer 13
-
$1,425 NZD
View
B
Retailer 14
-
$1,680 NZD
View
Retailer 15
-
$2,008 NZD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-1E817F5AB · Nov 2
$2,998 NZD
$1,690 USD
View
15 more retailers have this diamond
Prices start from $312 NZDSave up to $2,686 NZD

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
$312 NZD