Princess|Lab Grown|IGI

1.55ct F IF Princess Lab Grown Diamond

EX • F/IF • IGI LG646480318

Shape and cutting style on the report: Princess cut

Certificate IGI LG646480318

Diamond specifications and retailer prices

From $900 USD
As of November 5, 2026
Save $2,410 USD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,310 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.55ct lab-grown princess diamond

This 1.55ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG646480318 or 646480318. Listed at 8 retailers as of November 5, 2026, with prices from $900 to $3,310, a $2,410 spread on the same certified stone. MOH London lists it at $3,310. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646480318
Dimensions6.39 × 6.18 × 4.53 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.18 mm1.55 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646480318
Side View
Table 71.0%Crown 39.4°Girdle: Slightly ThickPavilion 38.7°Culet: NoneDepth 73.3%

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: Nov 5
Current: $3,310 USD|Low: $878 USD|High: $3,363 USD|Avg: $1,916 USD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6$920 USD
Retailer 5$1,081 USD
Retailer 2$1,342 USD
Retailer 4$2,245 USD
Retailer 3$3,120 USD
MOH London$3,310 USD

43 data points across 6 retailers

8 retailers$900 USD to $3,310 USD

A
Cheapest Retailer
-
$900 USD
A
Retailer 2
-
$920 USD
View
A
Retailer 3
-
$1,081 USD
View
A
Retailer 4
-
$1,342 USD
View
Retailer 5
-
$2,245 USD
View
Price last confirmed 28 days ago
B
Retailer 6
-
$3,024 USD
View
B
Retailer 7
-
$3,120 USD
View
Most Expensive
B
MOH London
LG646480318 · Nov 5
$3,310 USD
£2,606 GBP
View
7 more retailers have this diamond
Prices start from $900 USDSave up to $2,410 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 Princess
$900 USD