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Oval|Natural|GIA

1.31ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 5232729434

Certificate GIA 5232729434

Diamond specifications and retailer prices

From £2,680 GBP
As of October 30, 2026
Save £2,029 GBP (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,709 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232729434. Listed at 5 retailers as of October 30, 2026, with prices from £2,680 to £4,709, a £2,029 spread on the same certified stone. NZ Jewellers lists it at £4,709. 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

1.31
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle41.48°
Pavilion angle39.97°
OriginNatural
Grading LabGIA
CertificateGIA 5232729434
Dimensions8.16 × 5.88 × 4.02 mm
L/W Ratio1.39
Top View
8.16 mm5.88 mm1.31 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5232729434
Side View
Table 56.0%Crown 41.48°GirdlePavilion 39.97°Culet: NoneDepth 68.4%

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: Oct 30
Current: £4,709 GBP|Low: £2,671 GBP|High: £4,779 GBP|Avg: £3,456 GBP|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2£2,680 GBP
Retailer 4£2,702 GBP
Retailer 5£2,806 GBP
Retailer 6£3,009 GBP
Retailer 7£3,296 GBP
Retailer 3£4,544 GBP
NZ Jewellers£4,709 GBP

28 data points across 7 retailers

5 retailers£2,680 GBP to £4,709 GBP

A
Cheapest Retailer
-
£2,680 GBP
A
Retailer 2
-
£2,702 GBP
$3,621 USD
View
A
Retailer 3
-
£2,806 GBP
$3,760 USD
View
B
Retailer 4
-
£4,544 GBP
View
Most Expensive
B
NZ Jewellers
9aadb9e8-477a-4fef-9a06-d6305dd42b5e · Oct 30
£4,709 GBP
$6,309 USD
View
4 more retailers have this diamond
Prices start from £2,680 GBPSave up to £2,029 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
1.31ct Oval
£2,680 GBP