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Princess|Natural|GIA

1.05ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 13426717

Certificate GIA 13426717

Diamond specifications and retailer prices

From £2,641 GBP
As of November 6, 2026
Save £1,148 GBP (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,789 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.05ct natural princess diamond

This 1.05ct natural 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 13426717. Listed at 3 retailers as of November 6, 2026, with prices from £2,641 to £3,789, a £1,148 spread on the same certified stone. 77 Diamonds lists it at £3,789. 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

1.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 13426717
Dimensions5.46 × 5.41 × 4.13 mm
L/W Ratio1.01
Top View
5.46 mm5.41 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 13426717
Side View
Table 74.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 76.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,789 GBP|Low: £2,511 GBP|High: £3,841 GBP|Avg: £3,168 GBP|+1.1%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 2£2,641 GBP
Retailer 3£2,762 GBP
77 Diamonds£3,789 GBP

35 data points across 3 retailers

3 retailers£2,641 GBP to £3,789 GBP

B
Cheapest Retailer
-
£2,641 GBP
B
Retailer 2
-
£2,762 GBP
View
Final sale: no returns
Most Expensive
B
77 Diamonds
PRIMBEGWTMUQY · Nov 6
£3,789 GBP
View
2 more retailers have this diamond
Prices start from £2,641 GBPSave up to £1,148 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
1.05ct Princess
£2,641 GBP