Princess|Lab Grown|IGI

0.52ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG510186805

Shape and cutting style on the report: Princess cut

Certificate IGI LG510186805

Diamond specifications and retailer prices

From $326 USD
As of October 27, 2026
Save $1,298 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,624 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.52ct lab-grown princess diamond

This 0.52ct lab-grown princess sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510186805 or 510186805. Listed at 11 retailers as of October 26, 2026, with prices from $326 to $1,624, a $1,298 spread on the same certified stone. MOH London lists it at $1,624. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.52
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510186805
Dimensions4.43 × 4.41 × 3.11 mm
L/W Ratio1.00
Culet sizePointed
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
4.43 mm4.41 mm0.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG510186805
Side View
Table 67.5%Crown 39.4°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 70.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,624 USD|Low: $313 USD|High: $1,642 USD|Avg: $694 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 6$326 USD
Retailer 7$370 USD
Retailer 3$379 USD
Retailer 8$405 USD
Retailer 11$405 USD
Retailer 9$655 USD
Retailer 2$719 USD
Retailer 4$734 USD
Retailer 5$1,187 USD
Retailer 10$1,301 USD
MOH London$1,624 USD

42 data points across 11 retailers

11 retailers$326 USD to $1,624 USD

B+
Cheapest Retailer
-
$326 USD
B+
Retailer 2
-
$370 USD
View
B+
Retailer 3
-
$379 USD
View
B
Retailer 4
-
$405 USD
View
B
Retailer 5
-
$405 USD
View
B
Retailer 6
-
$655 USD
View
B
Retailer 7
-
$719 USD
£566 GBP
View
B
Retailer 8
-
$734 USD
€699 EUR
View
B
Retailer 9
-
$1,187 USD
View
B
Retailer 10
-
$1,301 USD
View
Most Expensive
B
MOH London
LG510186805 · Oct 26
$1,624 USD
£1,279 GBP
View
10 more retailers have this diamond
Prices start from $326 USDSave up to $1,298 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+
0.52ct Princess
$326 USD