Princess|Lab Grown|IGI

3.20ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG519231152

Shape and cutting style on the report: Princess cut

Certificate IGI LG519231152

Diamond specifications and retailer prices

From $2,440 USD
As of October 31, 2026
Save $6,765 USD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,174 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.2ct lab-grown princess diamond

This 3.2ct 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 LG519231152 or 519231152. Listed at 14 retailers as of October 31, 2026, with a 277% 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

3.20
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519231152
Dimensions8.10 × 8.04 × 5.65 mm
L/W Ratio1.01
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
8.10 mm8.04 mm3.20 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519231152
Side View
Table 69.5%Crown 43.5°Girdle: MediumPavilion 38.7°Culet: NoneDepth 70.3%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $18,174 USD|Low: $2,440 USD|High: $18,416 USD|Avg: $10,432 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$2,440 USD
Retailer 8$8,605 USD
Retailer 3$8,949 USD
Retailer 4$9,636 USD
Retailer 9$9,982 USD
Retailer 12$9,982 USD
Retailer 7$11,103 USD
Retailer 11$11,226 USD
Retailer 10$11,548 USD
Retailer 2$12,049 USD
Retailer 5$12,233 USD
MOH London$18,174 USD

42 data points across 12 retailers

14 retailers$2,440 USD to $9,205 USD

B+
Cheapest Retailer
-
$2,440 USD
B
Retailer 2
-
$8,605 USD
View
B
Retailer 3
-
$8,949 USD
View
B
Retailer 4
-
$9,205 USD
View
Retailer 5
-
$9,636 USD
View
Price under review
Final sale: no returns
Retailer 6
-
$9,982 USD
View
Price under review
Retailer 7
-
$9,982 USD
View
Price under review
Retailer 8
-
$11,103 USD
View
Price under review
Retailer 9
-
$11,226 USD
View
Price under review
Retailer 10
-
$11,548 USD
View
Price under review
Retailer 11
-
$12,049 USD
£9,487 GBP
View
Price under review
Retailer 12
-
$12,233 USD
£9,632 GBP
View
Price under review
Most Expensive
MOH London
LG519231152 · Nov 1
$18,174 USD
£14,310 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $2,440 USDSave up to $6,765 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+
3.20ct Princess
$2,440 USD