CaratHunter
Plans
Oval|Natural|GIA

1.30ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 6541282838

Certificate GIA 6541282838

Diamond specifications and retailer prices

From £2,346 GBP
As of November 3, 2026
Save £1,876 GBP (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,222 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 6541282838. Listed at 8 retailers as of November 2, 2026, with prices from £2,346 to £4,222, a £1,876 spread on the same certified stone. NZ Jewellers lists it at £4,222. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle39.36°
Pavilion angle40.25°
OriginNatural
Grading LabGIA
CertificateGIA 6541282838
Dimensions8.26 × 6.00 × 3.93 mm
L/W Ratio1.38
Top View
8.26 mm6.00 mm1.30 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6541282838
Side View
Table 57.0%Crown 39.36°Girdle: THN-VTKPavilion 40.25°Culet: NoneDepth 65.6%

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 3
Current: £4,222 GBP|Low: £2,346 GBP|High: £4,265 GBP|Avg: £2,925 GBP|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5£2,346 GBP
Retailer 2£2,363 GBP
Retailer 4£2,424 GBP
Retailer 6£2,517 GBP
Retailer 7£2,535 GBP
Retailer 8£2,615 GBP
Retailer 10£2,713 GBP
Retailer 9£2,843 GBP
Retailer 3£4,052 GBP
NZ Jewellers£4,222 GBP

36 data points across 10 retailers

8 retailers£2,346 GBP to £4,222 GBP

A
Cheapest Retailer
-
£2,346 GBP
A
Retailer 2
-
£2,363 GBP
View
A
Retailer 3
-
£2,424 GBP
View
A
Retailer 4
-
£2,517 GBP
View
A
Retailer 5
-
£2,535 GBP
View
Retailer 6
-
£2,615 GBP
View
Price last confirmed 30 days ago
B
Retailer 7
-
£4,052 GBP
View
Most Expensive
B
NZ Jewellers
c4b2ee91-c65a-4693-a326-f947e462ec47 · Nov 2
£4,222 GBP
$5,651 USD
View
7 more retailers have this diamond
Prices start from £2,346 GBPSave up to £1,876 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 Oval
£2,346 GBP