Radiant|Lab Grown|IGI

1.55ct I VS2 Radiant Lab Grown Diamond

EX • I/VS2 • IGI LG764632415

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

Certificate IGI LG764632415

Diamond specifications and retailer prices

From $424 USD
As of November 5, 2026
Save $712 USD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,430 USD at Brilliant Earth · As of October 13, 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG764632415 or 764632415. Listed at 9 retailers as of November 5, 2026, with a 168% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764632415
Dimensions8.20 × 5.93 × 3.65 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.93 mm1.55 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764632415
Side View
Table 65.0%Crown 26.9°Girdle: MediumPavilion 33.1°Culet: NoneDepth 61.6%

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 5
Current: $1,390 USD|Low: $310 USD|High: $1,470 USD|Avg: $779 USD|-5.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$407 USD
Retailer 5$424 USD
Retailer 7$424 USD
Retailer 3$786 USD
Retailer 9$836 USD
Retailer 6$865 USD
Retailer 8$960 USD
Retailer 2$1,136 USD
Brilliant Earth$1,390 USD

18 data points across 9 retailers

9 retailers$424 USD to $1,136 USD

A
Cheapest Retailer
-
$424 USD
B+
Retailer 2
-
$424 USD
View
Retailer 3
-
$579 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$786 USD
View
Retailer 5
-
$836 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$865 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$1,136 USD
View
Retailer 8
-
$1,390 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
17346925A · Oct 13
$1,430 USD
View
Price last confirmed 23 days ago
8 more retailers have this diamond
Prices start from $424 USDSave up to $712 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
$424 USD