Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG839672588

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839672588

Diamond specifications and retailer prices

From $455 NZD
As of October 31, 2026
Save $1,697 NZD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,152 NZD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round 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 LG839672588 or 839672588. Listed at 20 retailers as of October 31, 2026, with prices from $455 to $2,152, a $1,697 spread on the same certified stone. Brilliant Earth lists it at $2,152. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839672588
Dimensions7.40 × 7.45 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.45 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839672588
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.8%

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: Oct 31
Current: $2,152 NZD|Low: $306 NZD|High: $2,473 NZD|Avg: $939 NZD|-12.9%
Brilliant Earth
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
November 3, 2026
Retailer 4$318 NZD
Retailer 7$370 NZD
Retailer 3$395 NZD
Retailer 5$395 NZD
Retailer 19$455 NZD
Retailer 9$534 NZD
Retailer 14$615 NZD
Retailer 15$678 NZD
Retailer 2$687 NZD
Retailer 8$777 NZD
Retailer 10$857 NZD
Retailer 16$918 NZD
Retailer 13$934 NZD
Retailer 6$1,268 NZD
Retailer 12$1,313 NZD
Retailer 20$1,352 NZD
Retailer 18$1,364 NZD
Retailer 11$1,567 NZD
Retailer 17$1,846 NZD
Brilliant Earth$2,152 NZD

33 data points across 20 retailers

20 retailers$455 NZD to $2,152 NZD

Retailer 1
-
$318 NZD
Price last confirmed 18 days ago
Retailer 2
-
$370 NZD
View
Price last confirmed 23 days ago
Retailer 3
-
$395 NZD
View
Price last confirmed 20 days ago
Retailer 4
-
$395 NZD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$455 NZD
View
B+
Retailer 6
-
$534 NZD
View
A
Retailer 7
-
$615 NZD
View
Retailer 8
-
$678 NZD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$687 NZD
View
A
Retailer 10
-
$777 NZD
View
A
Retailer 11
-
$857 NZD
View
Retailer 12
-
$918 NZD
View
Price last confirmed 10 days ago
A
Retailer 13
-
$934 NZD
View
Retailer 14
-
$1,268 NZD
View
Price last confirmed 18 days ago
Retailer 15
-
$1,313 NZD
View
Price last confirmed 7 days ago
Retailer 16
-
$1,352 NZD
View
Price last confirmed 15 days ago
Retailer 17
-
$1,364 NZD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$1,567 NZD
View
Retailer 19
-
$1,846 NZD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21790827A · Nov 5
$2,152 NZD
$1,210 USD
View
19 more retailers have this diamond
Prices start from $455 NZDSave up to $1,697 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 Round
$455 NZD