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Princess|Natural|GIA

0.81ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 2566120431

Certificate GIA 2566120431

Diamond specifications and retailer prices

From £555 GBP
$744 USD
As of November 2, 2026
Save £424 GBP (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £979 GBP at GemTrove · As of November 2, 2026
View at GemTrove

About this 0.81ct natural princess diamond

This 0.81ct natural princess sits in the just-under-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 2566120431. Listed at 6 retailers as of November 2, 2026, with prices from £555 to £979, a £424 spread on the same certified stone. GemTrove lists it at £979. 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

0.81
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566120431
Dimensions4.98 × 4.97 × 3.69 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
4.98 mm4.97 mm0.81 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566120431
Side View
Table 71.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 74.2%

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: Nov 2
Current: £979 GBP|Low: £525 GBP|High: £979 GBP|Avg: £709 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3£555 GBP
Retailer 4£605 GBP
Retailer 6£619 GBP
Retailer 2£651 GBP
Retailer 5£686 GBP
GemTrove£979 GBP

40 data points across 6 retailers

6 retailers£555 GBP to £979 GBP

A
Cheapest Retailer
-
£555 GBP
$744 USD
Final sale: no returns
A
Retailer 2
-
£605 GBP
$811 USD
View
A
Retailer 3
-
£619 GBP
SGD 1,121 SGD
View
A
Retailer 4
-
£651 GBP
View
A
Retailer 5
-
£686 GBP
$919 USD
View
Most Expensive
B
GemTrove
GT-N-01305455-98 · Nov 2
£979 GBP
A$2,018 AUD
View
5 more retailers have this diamond
Prices start from £555 GBPSave up to £424 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
0.81ct Princess
£555 GBP