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Radiant|Lab Grown|IGI

1.51ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG604313097

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG604313097

Diamond specifications and retailer prices

From $188 USD
As of November 4, 2026
Save $1,322 USD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,510 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG604313097 or 604313097. Listed at 25 retailers as of November 4, 2026, with prices from $188 to $1,510, a $1,322 spread on the same certified stone. Brilliant Earth lists it at $1,510. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604313097
Dimensions5.61 × 8.38 × 3.72 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.61 mm8.38 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604313097
Side View
Table 67.0%Crown 43.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 66.3%

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 4
Current: $1,510 USD|Low: $188 USD|High: $1,610 USD|Avg: $581 USD|-6.2%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
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Retailer 21
November 5, 2026
Retailer 12$188 USD
Retailer 8$210 USD
Retailer 3$218 USD
Retailer 2$233 USD
Retailer 21$233 USD
Retailer 15$271 USD
Retailer 6$315 USD
Retailer 7$332 USD
Retailer 18$401 USD
Retailer 13$417 USD
Retailer 16$428 USD
Retailer 4$469 USD
Retailer 17$542 USD
Retailer 20$556 USD
Retailer 10$748 USD
Retailer 9$801 USD
Retailer 14$865 USD
Retailer 11$968 USD
Retailer 19$1,087 USD
Retailer 5$1,154 USD
Brilliant Earth$1,510 USD

26 data points across 21 retailers

25 retailers$188 USD to $1,510 USD

A
Cheapest Retailer
-
$188 USD
A
Retailer 2
-
$210 USD
View
Final sale: no returns
A
Retailer 3
-
$218 USD
View
Retailer 4
-
$233 USD
View
Price last confirmed 11 days ago
A
Retailer 5
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$233 USD
View
A
Retailer 6
-
$271 USD
View
B+
Retailer 7
-
$315 USD
View
A
Retailer 8
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$332 USD
View
A
Retailer 9
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$401 USD
View
A
Retailer 10
-
$417 USD
View
A
Retailer 11
-
$428 USD
View
A
Retailer 12
-
$469 USD
View
A
Retailer 13
-
$542 USD
View
A
Retailer 14
-
$556 USD
View
B+
Retailer 15
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$730 USD
View
B+
Retailer 16
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$748 USD
View
B+
Retailer 17
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$750 USD
View
B+
Retailer 18
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$801 USD
View
Retailer 19
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$865 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
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$968 USD
View
B+
Retailer 21
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$997 USD
View
B
Retailer 22
-
$1,087 USD
View
B
Retailer 23
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$1,154 USD
View
B
Retailer 24
-
$1,189 USD
View
Most Expensive
B
Brilliant Earth
16058388A · Nov 4
$1,510 USD
View
24 more retailers have this diamond
Prices start from $188 USDSave up to $1,322 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 Radiant
$188 USD