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Princess|Lab Grown|IGI

1.50ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG445038009

Shape and cutting style on the report: Princess cut

Certificate IGI LG445038009

Diamond specifications and retailer prices

From $880 USD
As of November 2, 2026
Save $3,950 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,830 USD at MOH London · As of November 3, 2026
View at MOH London

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038009 or 445038009. Listed at 12 retailers as of November 2, 2026, with prices from $880 to $4,830, a $3,950 spread on the same certified stone. MOH London lists it at $4,830. 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

1.50
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038009
Dimensions6.22 × 6.05 × 4.55 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.22 mm6.05 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038009
Side View
Table 71.0%Crown 45.3°Girdle: STK-VTKPavilion 39.7°Culet: NoneDepth 75.2%

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 2
Current: $4,830 USD|Low: $880 USD|High: $4,888 USD|Avg: $2,208 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
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 8$880 USD
Retailer 9$1,296 USD
Retailer 14$1,410 USD
Retailer 15$1,450 USD
Retailer 10$1,503 USD
Retailer 13$1,503 USD
Retailer 7$1,636 USD
Retailer 3$1,675 USD
Retailer 5$2,072 USD
Retailer 2$2,146 USD
Retailer 11$2,379 USD
Retailer 4$2,802 USD
Retailer 12$2,817 USD
Retailer 6$4,304 USD
MOH London$4,830 USD

26 data points across 15 retailers

12 retailers$880 USD to $4,830 USD

A
Cheapest Retailer
-
$880 USD
B+
Retailer 2
-
$1,296 USD
View
B+
Retailer 3
-
$1,410 USD
View
B
Retailer 4
-
$1,450 USD
View
Final sale: no returns
B
Retailer 5
-
$1,503 USD
View
Retailer 6
-
$1,503 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$1,675 USD
View
B
Retailer 8
-
$2,146 USD
£1,690 GBP
View
B
Retailer 9
-
$2,379 USD
View
B
Retailer 10
-
$2,802 USD
View
B
Retailer 11
-
$2,817 USD
View
Most Expensive
B
MOH London
LG445038009 · Nov 3
$4,830 USD
£3,803 GBP
View
11 more retailers have this diamond
Prices start from $880 USDSave up to $3,950 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
1.50ct Princess
$880 USD