Radiant|Lab Grown|IGI

1.55ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG500166073

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

Certificate IGI LG500166073

Diamond specifications and retailer prices

From $1,710 USD
As of October 29, 2026
Save $1,395 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,282 USD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500166073 or 500166073. Listed at 15 retailers as of October 29, 2026, with a 82% 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
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166073
Dimensions7.77 × 5.82 × 3.84 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.77 mm5.82 mm1.55 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500166073
Side View
Table 64.5%Crown 43.3°Girdle: MediumPavilion 31.4°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,282 USD|Low: $1,556 USD|High: $6,525 USD|Avg: $3,488 USD|+7.7%
Flawless Fine Jewelry
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
October 31, 2026
Retailer 10$1,710 USD
Retailer 9$1,946 USD
Retailer 3$2,118 USD
Retailer 4$2,180 USD
Retailer 11$2,258 USD
Retailer 5$2,425 USD
Retailer 14$3,103 USD
Retailer 2$3,105 USD
Retailer 13$3,535 USD
Retailer 8$3,707 USD
Flawless Fine Jewelry$4,282 USD
Retailer 12$6,084 USD
Retailer 6$6,110 USD
Retailer 7$6,482 USD

44 data points across 14 retailers

15 retailers$1,710 USD to $3,105 USD

B
Cheapest Retailer
-
$1,710 USD
B
Retailer 2
-
$1,946 USD
View
B
Retailer 3
-
$2,118 USD
View
B
Retailer 4
-
$2,180 USD
View
Final sale: no returns
B
Retailer 5
-
$2,258 USD
View
Retailer 6
-
$2,258 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$2,425 USD
View
B
Retailer 8
-
$3,103 USD
View
B
Retailer 9
-
$3,105 USD
£2,445 GBP
View
Retailer 10
-
$3,535 USD
View
Price under review
Retailer 11
-
$3,707 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
0B6060D29 · Oct 31
$4,282 USD
£3,372 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,710 USDSave up to $1,395 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.

B
1.55ct Radiant
$1,710 USD