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Oval|Natural|GIA

1.30ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 5231721354

Certificate GIA 5231721354

Diamond specifications and retailer prices

From £2,105 GBP
As of November 2, 2026
Save £2,346 GBP (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,451 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231721354. Listed at 6 retailers as of November 2, 2026, with prices from £2,105 to £4,451, a £2,346 spread on the same certified stone. NZ Jewellers lists it at £4,451. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.88°
OriginNatural
Grading LabGIA
CertificateGIA 5231721354
Dimensions8.92 × 5.84 × 3.65 mm
L/W Ratio1.53
Top View
8.92 mm5.84 mm1.30 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231721354
Side View
Table 64.0%Crown 36.88°Girdle: STK-VTKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £4,451 GBP|Low: £2,104 GBP|High: £4,457 GBP|Avg: £2,726 GBP|-0.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£2,105 GBP
Retailer 5£2,129 GBP
Retailer 4£2,211 GBP
Retailer 6£2,239 GBP
Retailer 10£2,349 GBP
Retailer 7£2,422 GBP
Retailer 9£2,620 GBP
Retailer 8£2,687 GBP
Retailer 3£3,730 GBP
NZ Jewellers£4,451 GBP

32 data points across 10 retailers

6 retailers£2,105 GBP to £4,451 GBP

A
Cheapest Retailer
-
£2,105 GBP
A
Retailer 2
-
£2,129 GBP
View
A
Retailer 3
-
£2,211 GBP
View
A
Retailer 4
-
£2,239 GBP
View
B+
Retailer 5
-
£3,730 GBP
View
Most Expensive
B
NZ Jewellers
f685adb4-9893-444c-afd0-fb9bef5fc864 · Nov 2
£4,451 GBP
$5,957 USD
View
5 more retailers have this diamond
Prices start from £2,105 GBPSave up to £2,346 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
£2,105 GBP