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Princess|Lab Grown|IGI

1.03ct D SI1 Princess Lab Grown Diamond

GD • D/SI1 • IGI LG561294894

Shape and cutting style on the report: Princess cut

Certificate IGI LG561294894

Diamond specifications and retailer prices

From £155 GBP
As of November 5, 2026
Save £643 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £797 GBP at MOH London · As of November 2, 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 standard cut grade and certified by IGI LG561294894 or 561294894. Listed at 10 retailers as of November 2, 2026, with prices from £155 to £797, a £643 spread on the same certified stone. MOH London lists it at £797. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561294894
Dimensions5.56 × 5.55 × 3.85 mm
L/W Ratio1.00
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
5.56 mm5.55 mm1.03 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561294894
Side View
Table 69.5%Crown 44°Girdle: MediumPavilion 37.9°Culet: NoneDepth 69.4%

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 5
Current: £797 GBP|Low: £151 GBP|High: £801 GBP|Avg: £333 GBP|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8£155 GBP
Retailer 5£195 GBP
Retailer 6£209 GBP
Retailer 7£247 GBP
Retailer 2£305 GBP
Retailer 4£322 GBP
Retailer 10£325 GBP
Retailer 3£333 GBP
Retailer 9£427 GBP
MOH London£797 GBP

41 data points across 10 retailers

10 retailers£155 GBP to £797 GBP

A
Cheapest Retailer
-
£155 GBP
B+
Retailer 2
-
£195 GBP
View
B
Retailer 3
-
£209 GBP
View
B+
Retailer 4
-
£247 GBP
View
B
Retailer 5
-
£291 GBP
View
B
Retailer 6
-
£305 GBP
View
B
Retailer 7
-
£325 GBP
View
Retailer 8
-
£333 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£427 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG561294894 · Nov 2
£797 GBP
View
9 more retailers have this diamond
Prices start from £155 GBPSave up to £643 GBP

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
£155 GBP