Princess|Lab Grown|IGI

1.03ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG843613509

Shape and cutting style on the report: Princess cut

Certificate IGI LG843613509

Diamond specifications and retailer prices

From $156 USD
As of October 30, 2026
Save $747 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $903 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.03ct lab-grown princess diamond

This 1.03ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843613509 or 843613509. Listed at 11 retailers as of October 26, 2026, with prices from $156 to $903, a $747 spread on the same certified stone. MOH London lists it at $903. 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

1.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843613509
Dimensions5.46 × 5.35 × 3.90 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.46 mm5.35 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843613509
Side View
Table 68.0%Crown 43.5°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 72.9%

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: $903 USD|Low: $193 USD|High: $907 USD|Avg: $421 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$193 USD
Retailer 7$232 USD
Retailer 10$260 USD
Retailer 6$334 USD
Retailer 2$338 USD
Retailer 3$363 USD
Retailer 4$366 USD
Retailer 9$650 USD
Retailer 5$655 USD
MOH London$903 USD

17 data points across 10 retailers

11 retailers$156 USD to $903 USD

A
Cheapest Retailer
-
$156 USD
A
Retailer 2
-
$193 USD
View
Retailer 3
-
$232 USD
£183 GBP
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$260 USD
View
B+
Retailer 5
-
$334 USD
View
B+
Retailer 6
-
$338 USD
£266 GBP
View
B+
Retailer 7
-
$363 USD
€346 EUR
View
B+
Retailer 8
-
$366 USD
£288 GBP
View
B
Retailer 9
-
$650 USD
View
B
Retailer 10
-
$655 USD
View
Most Expensive
B
MOH London
LG843613509 · Oct 26
$903 USD
£711 GBP
View
10 more retailers have this diamond
Prices start from $156 USDSave up to $747 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
1.03ct Princess
$156 USD