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Princess|Lab Grown|IGI

3.15ct H SI1 Princess Lab Grown Diamond

ID • H/SI1 • IGI LG528229922

Shape and cutting style on the report: Princess cut

Certificate IGI LG528229922

Diamond specifications and retailer prices

From $400 USD
As of November 4, 2026
Save $1,327 USD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,727 USD at MOH London · As of November 5, 2026
View at MOH London

About this 3.15ct lab-grown princess diamond

This 3.15ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528229922 or 528229922. Listed at 22 retailers as of November 4, 2026, with prices from $400 to $1,727, a $1,327 spread on the same certified stone. MOH London lists it at $1,727. 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

3.15
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528229922
Dimensions7.82 × 7.73 × 5.58 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
7.82 mm7.73 mm3.15 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528229922
Side View
Table 69.5%Crown 49.8°Girdle: Slightly ThickPavilion 36.4°Culet: NoneDepth 72.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,727 USD|Low: $400 USD|High: $1,753 USD|Avg: $1,002 USD|-1.4%
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 5, 2026
Retailer 10$400 USD
Retailer 6$443 USD
Retailer 8$486 USD
Retailer 4$532 USD
Retailer 2$595 USD
Retailer 5$635 USD
Retailer 11$1,119 USD
Retailer 7$1,300 USD
Retailer 9$1,412 USD
Retailer 3$1,466 USD
Retailer 12$1,696 USD
MOH London$1,727 USD

14 data points across 12 retailers

22 retailers$400 USD to $1,727 USD

Retailer 1
-
$343 USD
Price last confirmed 35 days ago
Retailer 2
-
$358 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$400 USD
View
Final sale: no returns
Retailer 4
-
$415 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$415 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$443 USD
View
Retailer 7
-
$443 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$443 USD
View
Price last confirmed 34 days ago
Retailer 9
-
$443 USD
View
Price last confirmed 16 days ago
Retailer 10
-
$443 USD
View
Price last confirmed 27 days ago
A
Retailer 11
-
$486 USD
View
A
Retailer 12
-
$595 USD
View
B+
Retailer 13
-
$635 USD
View
B+
Retailer 14
-
$1,119 USD
View
B+
Retailer 15
-
$1,300 USD
View
B+
Retailer 16
-
$1,412 USD
View
Retailer 17
-
$1,425 USD
View
Price last confirmed 37 days ago
Retailer 18
-
$1,425 USD
View
Price last confirmed 27 days ago
B+
Retailer 19
-
$1,425 USD
View
B+
Retailer 20
-
$1,466 USD
View
B+
Retailer 21
-
$1,696 USD
View
Most Expensive
B+
MOH London
LG528229922 · Nov 5
$1,727 USD
£1,360 GBP
View
21 more retailers have this diamond
Prices start from $400 USDSave up to $1,327 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
3.15ct Princess
$400 USD