Round|Natural|GIA

1.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5563539096

Certificate GIA 5563539096

Diamond specifications and retailer prices

From £1,883 GBP
As of November 6, 2026
Save £2,519 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,401 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563539096. Listed at 19 retailers as of November 5, 2026, with prices from £1,883 to £4,401, a £2,519 spread on the same certified stone. NZ Jewellers lists it at £4,401. 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

1.30
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563539096
Dimensions6.91 × 6.96 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.91 mm6.96 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563539096
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 6
Current: £4,401 GBP|Low: £1,863 GBP|High: £4,401 GBP|Avg: £2,612 GBP
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
November 6, 2026
Retailer 2£1,883 GBP
Retailer 17£1,883 GBP
Retailer 8£2,157 GBP
Retailer 16£2,158 GBP
Retailer 7£2,243 GBP
Retailer 11£2,302 GBP
Retailer 9£2,332 GBP
Retailer 12£2,384 GBP
Retailer 6£2,526 GBP
Retailer 18£2,526 GBP
Retailer 14£2,598 GBP
Retailer 3£2,621 GBP
Retailer 19£2,623 GBP
Retailer 5£2,633 GBP
Retailer 10£2,701 GBP
Retailer 13£2,756 GBP
Retailer 4£2,915 GBP
Retailer 15£4,213 GBP
NZ Jewellers£4,401 GBP

22 data points across 19 retailers

19 retailers£1,883 GBP to £4,401 GBP

A
Cheapest Retailer
-
£1,883 GBP
A
Retailer 2
-
£1,883 GBP
View
A
Retailer 3
-
£2,157 GBP
View
A
Retailer 4
-
£2,158 GBP
View
A
Retailer 5
-
£2,243 GBP
View
A
Retailer 6
-
£2,302 GBP
View
A
Retailer 7
-
£2,332 GBP
View
Final sale: no returns
A
Retailer 8
-
£2,384 GBP
View
Retailer 9
-
£2,526 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£2,526 GBP
View
A
Retailer 11
-
£2,598 GBP
View
B+
Retailer 12
-
£2,621 GBP
View
B+
Retailer 13
-
£2,623 GBP
View
B+
Retailer 14
-
£2,633 GBP
View
B+
Retailer 15
-
£2,701 GBP
View
A
Retailer 16
-
£2,756 GBP
View
B+
Retailer 17
-
£2,915 GBP
View
B
Retailer 18
-
£4,213 GBP
View
Most Expensive
B
NZ Jewellers
3b1a9799-0cb9-4efc-bf6f-172992442324 · Nov 5
£4,401 GBP
$5,924 USD
View
18 more retailers have this diamond
Prices start from £1,883 GBPSave up to £2,519 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
1.30ct Round
£1,883 GBP