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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 3565399575

Certificate GIA 3565399575

Diamond specifications and retailer prices

From £1,981 GBP
As of November 6, 2026
Save £2,603 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,584 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565399575. Listed at 15 retailers as of November 5, 2026, with prices from £1,981 to £4,584, a £2,603 spread on the same certified stone. NZ Jewellers lists it at £4,584. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3565399575
Dimensions6.92 × 6.95 × 4.33 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle, Natural
Top View
6.92 mm6.95 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565399575
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: £4,584 GBP|Low: £1,968 GBP|High: £4,683 GBP|Avg: £2,829 GBP|-2.1%
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
November 6, 2026
Retailer 2£1,981 GBP
Retailer 10£1,987 GBP
Retailer 6£2,285 GBP
Retailer 14£2,429 GBP
Retailer 7£2,448 GBP
Retailer 5£2,456 GBP
Retailer 12£2,632 GBP
Retailer 11£2,733 GBP
Retailer 4£2,759 GBP
Retailer 3£2,808 GBP
Retailer 9£2,906 GBP
Retailer 13£3,037 GBP
Retailer 8£4,388 GBP
NZ Jewellers£4,584 GBP

27 data points across 14 retailers

15 retailers£1,981 GBP to £4,584 GBP

A
Cheapest Retailer
-
£1,981 GBP
A
Retailer 2
-
£1,987 GBP
View
A
Retailer 3
-
£2,217 GBP
View
A
Retailer 4
-
£2,285 GBP
View
A
Retailer 5
-
£2,429 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,448 GBP
View
A
Retailer 7
-
£2,456 GBP
View
A
Retailer 8
-
£2,632 GBP
View
A
Retailer 9
-
£2,733 GBP
View
Retailer 10
-
£2,759 GBP
View
Price last confirmed 10 days ago
A
Retailer 11
-
£2,808 GBP
View
B+
Retailer 12
-
£2,906 GBP
View
B+
Retailer 13
-
£3,037 GBP
View
B
Retailer 14
-
£4,388 GBP
View
Most Expensive
B
NZ Jewellers
b16a6e0d-4929-4fcc-a63e-5a21f6b64d33 · Nov 5
£4,584 GBP
$6,170 USD
View
14 more retailers have this diamond
Prices start from £1,981 GBPSave up to £2,603 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
£1,981 GBP