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 $208 USD
As of October 30, 2026
Save $1,562 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,770 USD 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 $208 to $1,770, a $1,562 spread on the same certified stone. Brilliant Earth lists it at $1,770. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,770 USD|Low: $208 USD|High: $2,020 USD|Avg: $675 USD|-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
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Retailer 17
Retailer 18
October 31, 2026
Retailer 17$208 USD
Retailer 13$242 USD
Retailer 3$258 USD
Retailer 4$258 USD
Retailer 16$289 USD
Retailer 2$445 USD
Retailer 5$446 USD
Retailer 11$476 USD
Retailer 8$531 USD
Retailer 7$590 USD
Retailer 18$830 USD
Retailer 14$833 USD
Retailer 9$883 USD
Retailer 10$945 USD
Retailer 15$1,015 USD
Retailer 12$1,040 USD
Retailer 6$1,052 USD
Brilliant Earth$1,770 USD

38 data points across 18 retailers

18 retailers$208 USD to $1,770 USD

A
Cheapest Retailer
-
$208 USD
A
Retailer 2
-
$242 USD
View
A
Retailer 3
-
$258 USD
View
A
Retailer 4
-
$258 USD
View
Retailer 5
-
$289 USD
£227 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$445 USD
€424 EUR
View
B+
Retailer 7
-
$446 USD
View
A
Retailer 8
-
$476 USD
£375 GBP
View
A
Retailer 9
-
$531 USD
View
A
Retailer 10
-
$590 USD
View
B+
Retailer 11
-
$830 USD
View
B
Retailer 12
-
$833 USD
View
Retailer 13
-
$883 USD
View
Price last confirmed 13 days ago
B+
Retailer 14
-
$938 USD
£738 GBP
View
B
Retailer 15
-
$1,015 USD
View
B+
Retailer 16
-
$1,040 USD
£819 GBP
View
B
Retailer 17
-
$1,052 USD
View
Most Expensive
B
Brilliant Earth
11353100A · Oct 31
$1,770 USD
View
17 more retailers have this diamond
Prices start from $208 USDSave up to $1,562 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
1.55ct Radiant
$208 USD