Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG838644800

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

Certificate IGI LG838644800

Diamond specifications and retailer prices

From $195 USD
As of November 4, 2026
Save $784 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,123 USD at MOH London · As of October 21, 2026
View at MOH London

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838644800 or 838644800. Listed at 13 retailers as of November 3, 2026, with a 402% 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838644800
Dimensions7.97 × 5.67 × 3.86 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm5.67 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838644800
Side View
Table 65.0%Crown 46.6°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 68.1%

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: $1,123 USD|Low: $187 USD|High: $1,144 USD|Avg: $695 USD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 7$195 USD
Retailer 10$226 USD
Retailer 2$282 USD
Retailer 12$405 USD
Retailer 11$557 USD
Retailer 4$573 USD
Retailer 8$778 USD
Retailer 9$780 USD
Retailer 6$835 USD
Retailer 3$880 USD
Retailer 5$976 USD
Retailer 13$979 USD
MOH London$1,123 USD

30 data points across 13 retailers

13 retailers$195 USD to $979 USD

A
Cheapest Retailer
-
$195 USD
A
Retailer 2
-
$226 USD
View
A
Retailer 3
-
$282 USD
View
A
Retailer 4
-
$405 USD
View
A
Retailer 5
-
$557 USD
View
A
Retailer 6
-
$573 USD
View
B+
Retailer 7
-
$778 USD
View
B+
Retailer 8
-
$780 USD
View
B+
Retailer 9
-
$835 USD
View
B+
Retailer 10
-
$880 USD
View
Retailer 11
-
$976 USD
View
Price last confirmed 24 days ago
B+
Retailer 12
-
$979 USD
View
Most Expensive
MOH London
LG838644800 · Oct 21
$1,123 USD
£884 GBP
View
Price last confirmed 14 days ago
12 more retailers have this diamond
Prices start from $195 USDSave up to $784 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
$195 USD