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Oval|Natural|GIA

0.43ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2566426100

Certificate GIA 2566426100

Diamond specifications and retailer prices

From £334 GBP
SGD 604 SGD
As of October 31, 2026
Save £168 GBP (34%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £502 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.43ct natural oval diamond

This 0.43ct natural oval sits in the sub-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 2566426100. Listed at 10 retailers as of October 27, 2026, with prices from £334 to £502, a £168 spread on the same certified stone. Wholesale Diamonds Direct lists it at £502. 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

0.43
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle39.18°
Pavilion angle39.75°
OriginNatural
Grading LabGIA
CertificateGIA 2566426100
Dimensions5.90 × 4.23 × 2.59 mm
L/W Ratio1.39
Culet sizeNone
Top View
5.90 mm4.23 mm0.43 ctH / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566426100
Side View
Table 60.0%Crown 39.18°Girdle: STK-VTKPavilion 39.75°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £340 GBP|Low: £334 GBP|High: £505 GBP|Avg: £413 GBP|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 1, 2026
Retailer 7£334 GBP
Retailer 1£340 GBP
Retailer 9£357 GBP
Retailer 5£372 GBP
Retailer 8£392 GBP
Retailer 2£406 GBP
Retailer 3£433 GBP
Retailer 6£466 GBP
Retailer 4£480 GBP
Wholesale Diamonds Direct£502 GBP

35 data points across 10 retailers

10 retailers£334 GBP to £502 GBP

B+
Cheapest Retailer
-
£334 GBP
SGD 604 SGD
B+
Retailer 2
-
£340 GBP
$455 USD
View
B+
Retailer 3
-
£357 GBP
SGD 646 SGD
View
B+
Retailer 4
-
£372 GBP
$499 USD
View
B+
Retailer 5
-
£392 GBP
View
B
Retailer 6
-
£406 GBP
View
B
Retailer 7
-
£433 GBP
$581 USD
View
B
Retailer 8
-
£466 GBP
$625 USD
View
B
Retailer 9
-
£480 GBP
€612 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
404324944 · Oct 27
£502 GBP
$673 USD
View
9 more retailers have this diamond
Prices start from £334 GBPSave up to £168 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.

B+
0.43ct Oval
£334 GBP