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Princess|Natural|GIA

0.90ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 5563414631

Certificate GIA 5563414631

Diamond specifications and retailer prices

From £712 GBP
$954 USD
As of October 31, 2026
Save £565 GBP (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,277 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 0.9ct natural princess diamond

This 0.9ct natural princess sits in the just-under-one-carat band, graded J 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 5563414631. Listed at 14 retailers as of October 31, 2026, with prices from £712 to £1,277, a £565 spread on the same certified stone. Helzberg Diamonds lists it at £1,277. 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

0.90
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle38.24°
OriginNatural
Grading LabGIA
CertificateGIA 5563414631
Dimensions5.22 × 5.16 × 3.78 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.22 mm5.16 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563414631
Side View
Table 72.0%Crown 29.3°Girdle: ThickPavilion 38.24°Culet: NoneDepth 73.2%

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: Oct 31
Current: £1,277 GBP|Low: £712 GBP|High: £1,302 GBP|Avg: £919 GBP|-1.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 10£712 GBP
Retailer 5£730 GBP
Retailer 14£731 GBP
Retailer 2£748 GBP
Retailer 9£750 GBP
Retailer 3£775 GBP
Retailer 12£781 GBP
Retailer 8£827 GBP
Retailer 11£883 GBP
Retailer 7£1,030 GBP
Retailer 4£1,078 GBP
Retailer 13£1,085 GBP
Retailer 6£1,203 GBP
Helzberg Diamonds£1,277 GBP

36 data points across 14 retailers

14 retailers£712 GBP to £1,277 GBP

A
Cheapest Retailer
-
£712 GBP
$954 USD
A
Retailer 2
-
£730 GBP
SGD 1,322 SGD
View
B+
Retailer 3
-
£731 GBP
$980 USD
View
B+
Retailer 4
-
£748 GBP
$1,002 USD
View
B+
Retailer 5
-
£750 GBP
$1,005 USD
View
B+
Retailer 6
-
£775 GBP
SGD 1,404 SGD
View
B+
Retailer 7
-
£781 GBP
$1,047 USD
View
B+
Retailer 8
-
£827 GBP
View
B+
Retailer 9
-
£883 GBP
$1,183 USD
View
B+
Retailer 10
-
£1,030 GBP
€1,314 EUR
View
B
Retailer 11
-
£1,078 GBP
$1,445 USD
View
B
Retailer 12
-
£1,085 GBP
$1,454 USD
View
B
Retailer 13
-
£1,203 GBP
$1,612 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMJKHKMJH · Nov 1
£1,277 GBP
$1,711 USD
View
13 more retailers have this diamond
Prices start from £712 GBPSave up to £565 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
0.90ct Princess
£712 GBP