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Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG799642664

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799642664

Diamond specifications and retailer prices

From $381 NZD
As of November 5, 2026
Save $1,503 NZD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,384 NZD at Brilliant Earth · As of October 16, 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 LG799642664 or 799642664. Listed at 20 retailers as of November 5, 2026, with a 395% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799642664
Dimensions7.34 × 7.28 × 4.53 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
7.34 mm7.28 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799642664
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Nov 5
Current: $2,384 NZD|Low: $374 NZD|High: $2,384 NZD|Avg: $1,072 NZD|+10.7%
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
November 5, 2026
Retailer 8$381 NZD
Retailer 6$425 NZD
Retailer 4$441 NZD
Retailer 5$471 NZD
Retailer 16$471 NZD
Retailer 17$799 NZD
Retailer 14$809 NZD
Retailer 12$813 NZD
Retailer 13$1,058 NZD
Retailer 15$1,101 NZD
Retailer 11$1,258 NZD
Retailer 10$1,290 NZD
Retailer 3$1,516 NZD
Retailer 7$1,530 NZD
Retailer 9$1,610 NZD
Retailer 2$1,884 NZD
Brilliant Earth$2,384 NZD

34 data points across 17 retailers

20 retailers$381 NZD to $1,884 NZD

Retailer 1
-
$379 NZD
Price last confirmed 48 days ago
A
Retailer 2
-
$381 NZD
View
A
Retailer 3
-
$425 NZD
View
Final sale: no returns
A
Retailer 4
-
$441 NZD
View
Retailer 5
-
$463 NZD
View
Price last confirmed 47 days ago
Retailer 6
-
$471 NZD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$471 NZD
View
A
Retailer 8
-
$799 NZD
View
A
Retailer 9
-
$809 NZD
View
A
Retailer 10
-
$813 NZD
View
A
Retailer 11
-
$1,058 NZD
View
Retailer 12
-
$1,101 NZD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$1,258 NZD
View
B+
Retailer 14
-
$1,290 NZD
View
Retailer 15
-
$1,509 NZD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
$1,516 NZD
View
B+
Retailer 17
-
$1,530 NZD
View
B+
Retailer 18
-
$1,610 NZD
View
B+
Retailer 19
-
$1,884 NZD
View
Most Expensive
Brilliant Earth
21503762A · Oct 16
$2,384 NZD
$1,340 USD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from $381 NZDSave up to $1,503 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
$381 NZD