CaratHunter
Plans
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 €140 EUR
$156 USD
As of October 30, 2026
Save €669 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €808 EUR 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 €140 to €808, a €669 spread on the same certified stone. MOH London lists it at €808. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €808 EUR|Low: €173 EUR|High: €812 EUR|Avg: €377 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8€173 EUR
Retailer 7€208 EUR
Retailer 10€233 EUR
Retailer 6€299 EUR
Retailer 2€300 EUR
Retailer 3€325 EUR
Retailer 4€328 EUR
Retailer 9€582 EUR
Retailer 5€586 EUR
MOH London€808 EUR

18 data points across 10 retailers

11 retailers€140 EUR to €808 EUR

A
Cheapest Retailer
-
€140 EUR
$156 USD
A
Retailer 2
-
€173 EUR
$193 USD
View
Retailer 3
-
€208 EUR
£183 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
€233 EUR
$260 USD
View
B+
Retailer 5
-
€299 EUR
$334 USD
View
B+
Retailer 6
-
€300 EUR
£264 GBP
View
B+
Retailer 7
-
€325 EUR
View
B+
Retailer 8
-
€328 EUR
£288 GBP
View
B
Retailer 9
-
€582 EUR
$650 USD
View
B
Retailer 10
-
€586 EUR
$655 USD
View
Most Expensive
B
MOH London
LG843613509 · Oct 26
€808 EUR
£711 GBP
View
10 more retailers have this diamond
Prices start from €140 EURSave up to €669 EUR

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
€140 EUR