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Round|Lab Grown|IGI

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 $260 AUD
As of November 5, 2026
Save $1,365 AUD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,625 AUD 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 $260 to $1,625, a $1,365 spread on the same certified stone. Reve Diamonds lists it at $1,625. 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

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 5
Current: $600 AUD|Low: $260 AUD|High: $1,714 AUD|Avg: $813 AUD|-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$260 AUD
Retailer 11$311 AUD
Retailer 8$323 AUD
Retailer 19$323 AUD
Retailer 9$346 AUD
Retailer 13$366 AUD
Retailer 18$436 AUD
Retailer 2$576 AUD
Retailer 14$584 AUD
Retailer 16$590 AUD
Retailer 1$600 AUD
Retailer 10$820 AUD
Retailer 7$830 AUD
Retailer 6$1,014 AUD
Retailer 3$1,039 AUD
Retailer 17$1,054 AUD
Retailer 15$1,116 AUD
Retailer 12$1,257 AUD
Retailer 5$1,608 AUD
Reve Diamonds$1,625 AUD

24 data points across 20 retailers

20 retailers$260 AUD to $1,625 AUD

A
Cheapest Retailer
-
$260 AUD
A
Retailer 2
-
$311 AUD
View
Final sale: no returns
A
Retailer 3
-
$323 AUD
View
A
Retailer 4
-
$323 AUD
View
Retailer 5
-
$346 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$366 AUD
View
B+
Retailer 7
-
$436 AUD
View
A
Retailer 8
-
$576 AUD
View
A
Retailer 9
-
$584 AUD
View
A
Retailer 10
-
$590 AUD
View
A
Retailer 11
-
$600 AUD
View
B+
Retailer 12
-
$820 AUD
View
B+
Retailer 13
-
$830 AUD
View
B+
Retailer 14
-
$1,014 AUD
View
B+
Retailer 15
-
$1,039 AUD
View
B+
Retailer 16
-
$1,054 AUD
View
B+
Retailer 17
-
$1,116 AUD
View
B
Retailer 18
-
$1,257 AUD
View
B
Retailer 19
-
$1,608 AUD
View
Most Expensive
B
Reve Diamonds
774424059 · Nov 6
$1,625 AUD
$1,138 USD
View
19 more retailers have this diamond
Prices start from $260 AUDSave up to $1,365 AUD

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
$260 AUD