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Radiant|Lab Grown|IGI

1.51ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG604313104

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

Certificate IGI LG604313104

Diamond specifications and retailer prices

From $334 NZD
As of November 4, 2026
Save $2,345 NZD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,679 NZD 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 LG604313104 or 604313104. Listed at 25 retailers as of November 4, 2026, with prices from $334 to $2,679, a $2,345 spread on the same certified stone. Brilliant Earth lists it at $2,679. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604313104
Dimensions5.64 × 8.03 × 3.82 mm
L/W Ratio1.42
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
5.64 mm8.03 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604313104
Side View
Table 67.0%Crown 44.2°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 67.7%

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: $2,679 NZD|Low: $334 NZD|High: $2,856 NZD|Avg: $1,034 NZD|-6.2%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 12$334 NZD
Retailer 8$373 NZD
Retailer 3$387 NZD
Retailer 2$413 NZD
Retailer 21$413 NZD
Retailer 16$481 NZD
Retailer 6$559 NZD
Retailer 7$589 NZD
Retailer 19$711 NZD
Retailer 13$740 NZD
Retailer 17$759 NZD
Retailer 4$832 NZD
Retailer 18$962 NZD
Retailer 20$986 NZD
Retailer 10$1,327 NZD
Retailer 9$1,421 NZD
Retailer 14$1,535 NZD
Retailer 11$1,717 NZD
Retailer 15$1,923 NZD
Retailer 5$2,047 NZD
Brilliant Earth$2,679 NZD

26 data points across 21 retailers

25 retailers$334 NZD to $2,679 NZD

A
Cheapest Retailer
-
$334 NZD
A
Retailer 2
-
$373 NZD
View
Final sale: no returns
A
Retailer 3
-
$387 NZD
View
Retailer 4
-
$413 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$413 NZD
View
A
Retailer 6
-
$481 NZD
View
B+
Retailer 7
-
$559 NZD
View
A
Retailer 8
-
$589 NZD
View
A
Retailer 9
-
$711 NZD
View
A
Retailer 10
-
$740 NZD
View
A
Retailer 11
-
$759 NZD
View
A
Retailer 12
-
$832 NZD
View
A
Retailer 13
-
$962 NZD
View
A
Retailer 14
-
$986 NZD
View
B+
Retailer 15
-
$1,295 NZD
View
B+
Retailer 16
-
$1,327 NZD
View
B+
Retailer 17
-
$1,331 NZD
View
B+
Retailer 18
-
$1,421 NZD
View
Retailer 19
-
$1,535 NZD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$1,717 NZD
View
B+
Retailer 21
-
$1,769 NZD
View
B
Retailer 22
-
$1,923 NZD
View
B
Retailer 23
-
$2,047 NZD
View
B
Retailer 24
-
$2,109 NZD
View
Most Expensive
B
Brilliant Earth
16058498A · Nov 4
$2,679 NZD
$1,510 USD
View
24 more retailers have this diamond
Prices start from $334 NZDSave up to $2,345 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 Radiant
$334 NZD