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1.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG830613024

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830613024

Diamond specifications and retailer prices

From $328 NZD
As of November 5, 2026
Save $1,724 NZD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,052 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830613024 or 830613024. Listed at 20 retailers as of November 5, 2026, with prices from $328 to $2,052, a $1,724 spread on the same certified stone. Reve Diamonds lists it at $2,052. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830613024
Dimensions7.43 × 7.39 × 4.46 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
7.43 mm7.39 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830613024
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.2%

Caratlytics Score

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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 5
Current: $758 NZD|Low: $328 NZD|High: $2,165 NZD|Avg: $1,026 NZD|-4.1%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 4$328 NZD
Retailer 11$393 NZD
Retailer 8$408 NZD
Retailer 19$408 NZD
Retailer 9$437 NZD
Retailer 13$462 NZD
Retailer 18$550 NZD
Retailer 2$727 NZD
Retailer 14$738 NZD
Retailer 16$745 NZD
Retailer 1$758 NZD
Retailer 10$1,035 NZD
Retailer 7$1,048 NZD
Retailer 6$1,281 NZD
Retailer 3$1,311 NZD
Retailer 17$1,331 NZD
Retailer 15$1,409 NZD
Retailer 12$1,587 NZD
Retailer 5$2,031 NZD
Reve Diamonds$2,052 NZD

24 data points across 20 retailers

20 retailers$328 NZD to $2,052 NZD

A
Cheapest Retailer
-
$328 NZD
A
Retailer 2
-
$393 NZD
View
Final sale: no returns
A
Retailer 3
-
$408 NZD
View
A
Retailer 4
-
$408 NZD
View
Retailer 5
-
$437 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$462 NZD
View
B+
Retailer 7
-
$550 NZD
View
A
Retailer 8
-
$727 NZD
View
A
Retailer 9
-
$738 NZD
View
A
Retailer 10
-
$745 NZD
View
A
Retailer 11
-
$758 NZD
View
B+
Retailer 12
-
$1,035 NZD
View
B+
Retailer 13
-
$1,048 NZD
View
B+
Retailer 14
-
$1,281 NZD
View
B+
Retailer 15
-
$1,311 NZD
View
B+
Retailer 16
-
$1,331 NZD
View
B+
Retailer 17
-
$1,409 NZD
View
B
Retailer 18
-
$1,587 NZD
View
B
Retailer 19
-
$2,031 NZD
View
Most Expensive
B
Reve Diamonds
774424059 · Nov 6
$2,052 NZD
$1,138 USD
View
19 more retailers have this diamond
Prices start from $328 NZDSave up to $1,724 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
$328 NZD