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Princess|Natural|GIA

1.30ct G SI1 Princess Natural Diamond

ID • G/SI1 • GIA 6551789827

Certificate GIA 6551789827

Diamond specifications and retailer prices

From £2,218 GBP
As of November 2, 2026
Save £1,585 GBP (42%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,803 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct natural princess diamond

This 1.3ct natural princess sits in the one-and-a-quarter to one-and-a-half carat band, graded G 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 6551789827. Listed at 6 retailers as of November 1, 2026, with prices from £2,218 to £3,803, a £1,585 spread on the same certified stone. MOH London lists it at £3,803. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.83°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551789827
Dimensions5.97 × 5.97 × 4.28 mm
L/W Ratio1.00
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
5.97 mm5.97 mm1.30 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551789827
Side View
Table 73.0%Crown 44.83°Girdle: THK-POLPavilion 38.6°Culet: NoneDepth 71.7%

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 2
Current: £3,803 GBP|Low: £2,213 GBP|High: £3,981 GBP|Avg: £2,959 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2£2,218 GBP
Retailer 3£2,373 GBP
Retailer 4£2,373 GBP
Retailer 5£2,441 GBP
MOH London£3,803 GBP
Retailer 6£3,981 GBP

41 data points across 6 retailers

6 retailers£2,218 GBP to £3,803 GBP

A
Cheapest Retailer
-
£2,218 GBP
Retailer 2
-
£2,285 GBP
$3,061 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£2,373 GBP
$3,180 USD
View
A
Retailer 4
-
£2,373 GBP
$3,180 USD
View
Retailer 5
-
£2,441 GBP
A$5,032 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
0AFEAF50B · Nov 1
£3,803 GBP
View
5 more retailers have this diamond
Prices start from £2,218 GBPSave up to £1,585 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
1.30ct Princess
£2,218 GBP