Princess|Lab Grown|IGI

3.10ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG530299150

Shape and cutting style on the report: Princess cut

Certificate IGI LG530299150

Diamond specifications and retailer prices

From $2,490 USD
As of October 31, 2026
Save $6,186 USD (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $17,619 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.1ct lab-grown princess diamond

This 3.1ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530299150 or 530299150. Listed at 11 retailers as of October 31, 2026, with a 248% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530299150
Dimensions8.15 × 8.02 × 5.71 mm
L/W Ratio1.02
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
8.15 mm8.02 mm3.10 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530299150
Side View
Table 70.5%Crown 39.2°Girdle: MediumPavilion 39.1°Culet: NoneDepth 71.2%

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 31
Current: $17,619 USD|Low: $2,490 USD|High: $17,855 USD|Avg: $10,598 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$2,490 USD
Retailer 5$8,343 USD
Retailer 7$9,344 USD
Retailer 9$9,544 USD
Retailer 8$9,883 USD
Retailer 4$10,765 USD
Retailer 6$11,198 USD
Retailer 2$11,673 USD
Retailer 10$12,468 USD
MOH London$17,619 USD

32 data points across 10 retailers

11 retailers$2,490 USD to $8,676 USD

B+
Cheapest Retailer
-
$2,490 USD
B
Retailer 2
-
$8,343 USD
View
B
Retailer 3
-
$8,676 USD
View
Retailer 4
-
$9,344 USD
View
Price under review
Final sale: no returns
Retailer 5
-
$9,677 USD
View
Price under review
Retailer 6
-
$9,677 USD
View
Price under review
Retailer 7
-
$10,765 USD
View
Price under review
Retailer 8
-
$10,883 USD
View
Price under review
Retailer 9
-
$11,198 USD
View
Price under review
Retailer 10
-
$11,673 USD
£9,192 GBP
View
Price under review
Most Expensive
MOH London
LG530299150 · Nov 1
$17,619 USD
£13,873 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $2,490 USDSave up to $6,186 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+
3.10ct Princess
$2,490 USD