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Princess|Lab Grown|GIA

1.03ct H SI1 Princess Lab Grown Diamond

ID • H/SI1 • GIA 2231156005

Certificate GIA 2231156005

Diamond specifications and retailer prices

From £3,186 GBP
As of November 4, 2026
Save £2,835 GBP (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £6,021 GBP at MOH London · As of November 5, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231156005. Listed at 3 retailers as of November 4, 2026, with prices from £3,186 to £6,021, a £2,835 spread on the same certified stone. MOH London lists it at £6,021. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2231156005
Dimensions5.53 × 5.19 × 4.07 mm
L/W Ratio1.07
Girdle conditionPolished
Cert comments
Additional pinpoints are not shown.
Key to symbols
Crystal, Etch Channel, Feather, Pinpoint, Needle
Top View
5.53 mm5.19 mm1.03 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231156005
Side View
Table 73.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 78.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £6,021 GBP|Low: £1,551 GBP|High: £6,456 GBP|Avg: £3,410 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£1,551 GBP
Retailer 7£1,726 GBP
Retailer 6£2,166 GBP
Retailer 3£3,186 GBP
Retailer 2£3,777 GBP
MOH London£6,021 GBP
Retailer 5£6,456 GBP

6 data points across 7 retailers

3 retailers£3,186 GBP to £6,021 GBP

B
Cheapest Retailer
-
£3,186 GBP
B
Retailer 2
-
£3,777 GBP
View
Most Expensive
B
MOH London
2231156005 · Nov 5
£6,021 GBP
View
2 more retailers have this diamond
Prices start from £3,186 GBPSave up to £2,835 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.

B
1.03ct Princess
£3,186 GBP