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Radiant|Lab Grown|IGI

1.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG502186134

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

Certificate IGI LG502186134

Diamond specifications and retailer prices

From $412 NZD
As of November 4, 2026
Save $3,544 NZD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,956 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 LG502186134 or 502186134. Listed at 24 retailers as of November 2, 2026, with prices from $412 to $3,956, a $3,544 spread on the same certified stone. Do Amore Diamonds lists it at $3,956. 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 angle44.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502186134
Dimensions7.79 × 5.73 × 3.92 mm
L/W Ratio1.36
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
7.79 mm5.73 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502186134
Side View
Table 66.5%Crown 44.2°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 68.4%

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 4
Current: $3,956 NZD|Low: $389 NZD|High: $4,204 NZD|Avg: $1,333 NZD|+6.2%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 5, 2026
Retailer 16$412 NZD
Retailer 9$459 NZD
Retailer 18$477 NZD
Retailer 11$483 NZD
Retailer 2$587 NZD
Retailer 8$685 NZD
Retailer 6$688 NZD
Retailer 14$750 NZD
Retailer 5$869 NZD
Retailer 7$1,091 NZD
Retailer 3$1,118 NZD
Retailer 20$1,316 NZD
Retailer 15$1,419 NZD
Retailer 19$1,646 NZD
Retailer 17$1,809 NZD
Retailer 4$2,109 NZD
Retailer 12$2,225 NZD
Retailer 13$2,249 NZD
Retailer 10$2,443 NZD
Do Amore Diamonds$3,956 NZD

30 data points across 20 retailers

24 retailers$412 NZD to $3,956 NZD

A
Cheapest Retailer
-
$412 NZD
A
Retailer 2
-
$459 NZD
View
Final sale: no returns
A
Retailer 3
-
$477 NZD
View
Retailer 4
-
$483 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$587 NZD
View
B+
Retailer 6
-
$685 NZD
View
A
Retailer 7
-
$688 NZD
View
A
Retailer 8
-
$750 NZD
View
Retailer 9
-
$869 NZD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$1,091 NZD
View
B+
Retailer 11
-
$1,118 NZD
View
Retailer 12
-
$1,125 NZD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$1,316 NZD
View
B+
Retailer 14
-
$1,419 NZD
View
B+
Retailer 15
-
$1,480 NZD
View
B+
Retailer 16
-
$1,556 NZD
View
B
Retailer 17
-
$1,646 NZD
View
B+
Retailer 18
-
$1,792 NZD
View
B+
Retailer 19
-
$1,809 NZD
View
B
Retailer 20
-
$2,109 NZD
View
Retailer 21
-
$2,225 NZD
View
Price last confirmed 18 days ago
B
Retailer 22
-
$2,249 NZD
View
B
Retailer 23
-
$2,443 NZD
View
Most Expensive
B
Do Amore Diamonds
27-B6C3D4FB3 · Nov 2
$3,956 NZD
$2,230 USD
View
23 more retailers have this diamond
Prices start from $412 NZDSave up to $3,544 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
$412 NZD