Round|Natural|GIA

0.90ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1563253129

Certificate GIA 1563253129

Diamond specifications and retailer prices

From £659 GBP
HK$6,900 HKD
As of October 30, 2026
Save £1,699 GBP (72%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,358 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563253129. Listed at 19 retailers as of October 30, 2026, with prices from £659 to £2,358, a £1,699 spread on the same certified stone. NZ Jewellers lists it at £2,358. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1563253129
Dimensions6.14 × 6.10 × 3.85 mm
L/W Ratio1.01
Top View
6.14 mm6.10 mm0.90 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563253129
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 30
Current: £2,358 GBP|Low: £659 GBP|High: £2,367 GBP|Avg: £1,119 GBP|+6.3%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 11£659 GBP
Retailer 13£664 GBP
Retailer 6£725 GBP
Retailer 10£791 GBP
Retailer 5£846 GBP
Retailer 4£882 GBP
Retailer 17£882 GBP
Retailer 19£916 GBP
Retailer 8£921 GBP
Retailer 3£955 GBP
Retailer 14£982 GBP
Retailer 7£984 GBP
Retailer 16£1,001 GBP
Retailer 2£1,116 GBP
Retailer 12£1,233 GBP
Retailer 9£1,265 GBP
Retailer 18£1,625 GBP
Retailer 15£2,290 GBP
NZ Jewellers£2,358 GBP

15 data points across 19 retailers

19 retailers£659 GBP to £2,358 GBP

A
Cheapest Retailer
-
£659 GBP
HK$6,900 HKD
A
Retailer 2
-
£664 GBP
₹84,733 INR
View
A
Retailer 3
-
£725 GBP
₹92,463 INR
View
A
Retailer 4
-
£791 GBP
$1,060 USD
View
A
Retailer 5
-
£846 GBP
$1,133 USD
View
A
Retailer 6
-
£882 GBP
$1,182 USD
View
A
Retailer 7
-
£882 GBP
$1,182 USD
View
B+
Retailer 8
-
£916 GBP
$1,227 USD
View
B+
Retailer 9
-
£921 GBP
SGD 1,668 SGD
View
B+
Retailer 10
-
£955 GBP
$1,280 USD
View
B+
Retailer 11
-
£982 GBP
$1,316 USD
View
B+
Retailer 12
-
£984 GBP
$1,319 USD
View
B+
Retailer 13
-
£1,001 GBP
View
B+
Retailer 14
-
£1,116 GBP
$1,495 USD
View
B+
Retailer 15
-
£1,233 GBP
€1,574 EUR
View
B+
Retailer 16
-
£1,265 GBP
$1,695 USD
View
B
Retailer 17
-
£1,625 GBP
View
B
Retailer 18
-
£2,290 GBP
View
Most Expensive
B
NZ Jewellers
6ac5ab9d-7ab6-4ead-9721-103950485695 · Oct 30
£2,358 GBP
$3,160 USD
View
18 more retailers have this diamond
Prices start from £659 GBPSave up to £1,699 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 Round
£659 GBP