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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 $182 USD
As of November 5, 2026
Save $956 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,138 USD 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 $182 to $1,138, a $956 spread on the same certified stone. Reve Diamonds lists it at $1,138. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $256 USD|Low: $182 USD|High: $1,200 USD|Avg: $569 USD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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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 2$182 USD
Retailer 11$218 USD
Retailer 7$226 USD
Retailer 17$226 USD
Retailer 8$242 USD
Retailer 1$256 USD
Retailer 16$305 USD
Retailer 18$403 USD
Retailer 12$409 USD
Retailer 14$413 USD
Retailer 9$425 USD
Retailer 10$574 USD
Retailer 5$581 USD
Retailer 4$710 USD
Retailer 19$727 USD
Retailer 15$738 USD
Retailer 13$781 USD
Retailer 6$960 USD
Retailer 3$1,126 USD
Reve Diamonds$1,138 USD

24 data points across 20 retailers

20 retailers$182 USD to $1,138 USD

A
Cheapest Retailer
-
$182 USD
A
Retailer 2
-
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$226 USD
View
A
Retailer 4
-
$226 USD
View
Retailer 5
-
$242 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$256 USD
View
B+
Retailer 7
-
$305 USD
View
A
Retailer 8
-
$403 USD
View
A
Retailer 9
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$409 USD
View
A
Retailer 10
-
$413 USD
View
A
Retailer 11
-
$425 USD
View
B+
Retailer 12
-
$574 USD
View
B+
Retailer 13
-
$581 USD
View
B+
Retailer 14
-
$710 USD
View
B+
Retailer 15
-
$727 USD
View
B+
Retailer 16
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$738 USD
View
B+
Retailer 17
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$781 USD
View
B
Retailer 18
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$960 USD
View
B
Retailer 19
-
$1,126 USD
View
Most Expensive
B
Reve Diamonds
774424059 · Nov 6
$1,138 USD
View
19 more retailers have this diamond
Prices start from $182 USDSave up to $956 USD

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
$182 USD