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Radiant|Lab Grown|IGI

1.55ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG644499018

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

Certificate IGI LG644499018

Diamond specifications and retailer prices

From $369 NZD
$208 USD
As of October 30, 2026
Save $2,771 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,141 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644499018 or 644499018. Listed at 18 retailers as of October 30, 2026, with prices from $369 to $3,141, a $2,771 spread on the same certified stone. Brilliant Earth lists it at $3,141. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644499018
Dimensions7.98 × 5.68 × 3.88 mm
L/W Ratio1.40
Culet sizePointed
Top View
7.98 mm5.68 mm1.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644499018
Side View
Table 66.0%Crown 42.9°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.3%

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: Oct 30
Current: $3,141 NZD|Low: $369 NZD|High: $3,584 NZD|Avg: $1,198 NZD|-12.4%
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
November 1, 2026
Retailer 17$369 NZD
Retailer 13$429 NZD
Retailer 3$458 NZD
Retailer 4$458 NZD
Retailer 16$513 NZD
Retailer 11$790 NZD
Retailer 5$791 NZD
Retailer 2$845 NZD
Retailer 8$942 NZD
Retailer 7$1,047 NZD
Retailer 18$1,473 NZD
Retailer 14$1,478 NZD
Retailer 9$1,567 NZD
Retailer 10$1,677 NZD
Retailer 15$1,801 NZD
Retailer 12$1,846 NZD
Retailer 6$1,867 NZD
Brilliant Earth$3,141 NZD

39 data points across 18 retailers

18 retailers$369 NZD to $3,141 NZD

A
Cheapest Retailer
-
$369 NZD
$208 USD
A
Retailer 2
-
$429 NZD
$242 USD
View
A
Retailer 3
-
$458 NZD
$258 USD
View
A
Retailer 4
-
$458 NZD
$258 USD
View
Retailer 5
-
$513 NZD
£227 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$790 NZD
€424 EUR
View
B+
Retailer 7
-
$791 NZD
$446 USD
View
A
Retailer 8
-
$845 NZD
£375 GBP
View
A
Retailer 9
-
$942 NZD
$531 USD
View
A
Retailer 10
-
$1,047 NZD
$590 USD
View
B+
Retailer 11
-
$1,473 NZD
$830 USD
View
B
Retailer 12
-
$1,478 NZD
$833 USD
View
Retailer 13
-
$1,567 NZD
$883 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$1,664 NZD
£738 GBP
View
B
Retailer 15
-
$1,801 NZD
$1,015 USD
View
B+
Retailer 16
-
$1,846 NZD
£819 GBP
View
B
Retailer 17
-
$1,867 NZD
$1,052 USD
View
Most Expensive
B
Brilliant Earth
11353100A · Oct 31
$3,141 NZD
$1,770 USD
View
17 more retailers have this diamond
Prices start from $369 NZDSave up to $2,771 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
1.55ct Radiant
$369 NZD