Princess|Natural|GIA

1.06ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 1236985680

Certificate GIA 1236985680

Diamond specifications and retailer prices

From £1,271 GBP
As of November 6, 2026
9 retailers carry this diamond
Most expensive: £3,133 GBP at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.06ct natural princess diamond

This 1.06ct 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 1236985680. Listed at 9 retailers as of November 6, 2026. 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

1.06
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle63.36°
OriginNatural
Grading LabGIA
CertificateGIA 1236985680
Dimensions5.43 × 5.41 × 3.98 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
5.43 mm5.41 mm1.06 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1236985680
Side View
Table 75.0%CrownGirdle: Very ThickPavilion 63.36°Culet: NoneDepth 73.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,157 GBP|Low: £870 GBP|High: £2,277 GBP|Avg: £1,384 GBP|+10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 13, 2026
Retailer 5£937 GBP
Retailer 3£1,134 GBP
Retailer 1£1,157 GBP
Retailer 8£1,271 GBP
Retailer 7£1,284 GBP
Retailer 6£1,312 GBP
Retailer 4£1,969 GBP
Retailer 2£2,277 GBP

20 data points across 8 retailers

9 retailers

Retailer 1
-
£937 GBP
Price last confirmed 23 days ago
Retailer 2
-
£1,157 GBP
View
Price last confirmed 24 days ago
Retailer 3
-
£1,253 GBP
View
Price last confirmed 38 days ago
A
Retailer 4
-
£1,271 GBP
View
Retailer 5
-
£1,284 GBP
View
Price last confirmed 29 days ago
Retailer 6
-
£1,312 GBP
View
Price last confirmed 24 days ago
Retailer 7
-
£1,969 GBP
View
Price last confirmed 27 days ago
Retailer 8
-
£2,277 GBP
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
09d3d147-79d4-423c-adf6-842b5123a803 · Oct 3
£3,133 GBP
$4,193 USD
View
Price last confirmed 34 days ago
8 more retailers have this diamond
Prices start from £1,271 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
1.06ct Princess
£1,271 GBP