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Radiant|Lab Grown|IGI

1.54ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG671485680

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

Certificate IGI LG671485680

Diamond specifications and retailer prices

From $392 NZD
As of November 4, 2026
Save $3,298 NZD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,690 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG671485680 or 671485680. Listed at 23 retailers as of November 4, 2026, with prices from $392 to $3,690, a $3,298 spread on the same certified stone. Brilliant Earth lists it at $3,690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671485680
Dimensions8.41 × 5.60 × 3.80 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm5.60 mm1.54 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671485680
Side View
Table 63.0%Crown 43.8°Girdle: MediumPavilion 35.1°Culet: NoneDepth 67.9%

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 4
Current: $3,690 NZD|Low: $380 NZD|High: $3,885 NZD|Avg: $1,330 NZD|-5.0%
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
November 5, 2026
Retailer 14$392 NZD
Retailer 15$436 NZD
Retailer 9$470 NZD
Retailer 13$539 NZD
Retailer 5$812 NZD
Retailer 6$814 NZD
Retailer 3$830 NZD
Retailer 12$896 NZD
Retailer 11$946 NZD
Retailer 10$1,057 NZD
Retailer 7$1,100 NZD
Retailer 16$1,563 NZD
Retailer 18$1,568 NZD
Retailer 17$1,655 NZD
Retailer 4$1,884 NZD
Retailer 8$1,907 NZD
Retailer 2$1,980 NZD
Retailer 19$2,235 NZD
Brilliant Earth$3,690 NZD

39 data points across 19 retailers

23 retailers$392 NZD to $3,690 NZD

A
Cheapest Retailer
-
$392 NZD
A
Retailer 2
-
$436 NZD
View
Final sale: no returns
Retailer 3
-
$451 NZD
View
Price last confirmed 39 days ago
Retailer 4
-
$470 NZD
View
Price last confirmed 11 days ago
Retailer 5
-
$470 NZD
View
Price last confirmed 24 days ago
Retailer 6
-
$475 NZD
View
Price last confirmed 39 days ago
A
Retailer 7
-
$539 NZD
View
A
Retailer 8
-
$812 NZD
View
A
Retailer 9
-
$814 NZD
View
A
Retailer 10
-
$830 NZD
View
A
Retailer 11
-
$896 NZD
View
A
Retailer 12
-
$946 NZD
View
A
Retailer 13
-
$1,057 NZD
View
Retailer 14
-
$1,100 NZD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$1,563 NZD
View
B+
Retailer 16
-
$1,568 NZD
View
B+
Retailer 17
-
$1,655 NZD
View
B
Retailer 18
-
$1,751 NZD
View
B+
Retailer 19
-
$1,884 NZD
View
Retailer 20
-
$1,907 NZD
View
Price last confirmed 18 days ago
B
Retailer 21
-
$1,980 NZD
View
B
Retailer 22
-
$2,235 NZD
View
Most Expensive
B
Brilliant Earth
12844593A · Nov 4
$3,690 NZD
$2,080 USD
View
22 more retailers have this diamond
Prices start from $392 NZDSave up to $3,298 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
$392 NZD