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Radiant|Lab Grown|IGI

1.54ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG788668432

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

Certificate IGI LG788668432

Diamond specifications and retailer prices

From $401 NZD
As of November 4, 2026
Save $1,620 NZD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,021 NZD at Brilliance · As of November 3, 2026
View at Brilliance

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 LG788668432 or 788668432. Listed at 20 retailers as of November 3, 2026, with prices from $401 to $2,021, a $1,620 spread on the same certified stone. Brilliance lists it at $2,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788668432
Dimensions8.47 × 5.70 × 3.66 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.47 mm5.70 mm1.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788668432
Side View
Table 63.0%Crown 41.5°Girdle: Slightly ThickPavilion 30.7°Culet: NoneDepth 64.2%

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 4
Current: $2,021 NZD|Low: $385 NZD|High: $2,134 NZD|Avg: $1,048 NZD|-5.3%
Brilliance
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
November 5, 2026
Retailer 3$401 NZD
Retailer 15$447 NZD
Retailer 7$465 NZD
Retailer 4$497 NZD
Retailer 8$497 NZD
Retailer 5$671 NZD
Retailer 14$820 NZD
Retailer 12$857 NZD
Retailer 2$917 NZD
Retailer 9$1,080 NZD
Retailer 10$1,158 NZD
Retailer 11$1,309 NZD
Retailer 16$1,561 NZD
Retailer 6$1,595 NZD
Retailer 17$1,880 NZD
Retailer 13$1,989 NZD
Brilliance$2,021 NZD

45 data points across 17 retailers

20 retailers$401 NZD to $2,021 NZD

A
Cheapest Retailer
-
$401 NZD
A
Retailer 2
-
$447 NZD
View
Final sale: no returns
A
Retailer 3
-
$465 NZD
View
Retailer 4
-
$490 NZD
View
Price last confirmed 41 days ago
Retailer 5
-
$497 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$497 NZD
View
B+
Retailer 7
-
$671 NZD
View
A
Retailer 8
-
$820 NZD
View
A
Retailer 9
-
$857 NZD
View
A
Retailer 10
-
$883 NZD
View
A
Retailer 11
-
$917 NZD
View
A
Retailer 12
-
$1,080 NZD
View
A
Retailer 13
-
$1,158 NZD
View
B+
Retailer 14
-
$1,309 NZD
View
Retailer 15
-
$1,561 NZD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$1,595 NZD
View
B+
Retailer 17
-
$1,687 NZD
View
B+
Retailer 18
-
$1,880 NZD
View
B
Retailer 19
-
$1,989 NZD
View
Most Expensive
B
Brilliance
D40927403 · Nov 3
$2,021 NZD
$1,139 USD
View
19 more retailers have this diamond
Prices start from $401 NZDSave up to $1,620 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
1.54ct Radiant
$401 NZD