Princess|Lab Grown|IGI

1.30ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG445038566

Shape and cutting style on the report: Princess cut

Certificate IGI LG445038566

Diamond specifications and retailer prices

From $656 USD
As of October 30, 2026
Save $2,566 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,222 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct lab-grown princess diamond

This 1.3ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038566 or 445038566. Listed at 12 retailers as of October 29, 2026, with prices from $656 to $3,222, a $2,566 spread on the same certified stone. MOH London lists it at $3,222. 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

1.30
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038566
Dimensions5.87 × 5.81 × 4.23 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
5.87 mm5.81 mm1.30 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038566
Side View
Table 69.0%Crown 45.3°Girdle: STK-THKPavilion 38°Culet: NoneDepth 72.8%

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: Oct 30
Current: $3,222 USD|Low: $523 USD|High: $3,244 USD|Avg: $1,324 USD|+0.5%
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
November 1, 2026
Retailer 9$656 USD
Retailer 3$714 USD
Retailer 4$734 USD
Retailer 7$750 USD
Retailer 10$761 USD
Retailer 14$761 USD
Retailer 13$940 USD
Retailer 2$1,154 USD
Retailer 5$1,231 USD
Retailer 11$1,242 USD
Retailer 8$1,943 USD
Retailer 12$2,139 USD
Retailer 6$2,179 USD
MOH London$3,222 USD

40 data points across 14 retailers

12 retailers$656 USD to $3,222 USD

A
Cheapest Retailer
-
$656 USD
A
Retailer 2
-
$714 USD
View
A
Retailer 3
-
$734 USD
View
Final sale: no returns
A
Retailer 4
-
$750 USD
View
Retailer 5
-
$761 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$761 USD
View
A
Retailer 7
-
$940 USD
View
A
Retailer 8
-
$1,154 USD
£909 GBP
View
B+
Retailer 9
-
$1,242 USD
View
B+
Retailer 10
-
$1,943 USD
View
B
Retailer 11
-
$2,139 USD
View
Most Expensive
B
MOH London
LG445038566 · Oct 29
$3,222 USD
£2,537 GBP
View
11 more retailers have this diamond
Prices start from $656 USDSave up to $2,566 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
1.30ct Princess
$656 USD