Round|Natural|GIA

0.43ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 5232814591

Certificate GIA 5232814591

Diamond specifications and retailer prices

From £343 GBP
$460 USD
As of October 26, 2026
Save £409 GBP (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,243 GBP at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.43ct natural round diamond

This 0.43ct natural round sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5232814591. Listed at 9 retailers as of October 26, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5232814591
Dimensions4.81 × 4.79 × 2.99 mm
L/W Ratio1.00
Star length50%
Top View
4.81 mm4.79 mm0.43 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5232814591
Side View
Table 58.0%Crown 36°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 62.3%

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 26
Current: £401 GBP|Low: £336 GBP|High: £772 GBP|Avg: £447 GBP|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£343 GBP
Retailer 4£355 GBP
Retailer 6£356 GBP
Retailer 1£401 GBP
Retailer 2£494 GBP
Retailer 3£753 GBP

42 data points across 6 retailers

9 retailers£343 GBP to £753 GBP

Retailer 1
-
£330 GBP
$442 USD
Price last confirmed 34 days ago
A
Retailer 2
-
£343 GBP
$460 USD
View
Retailer 3
-
£355 GBP
$476 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£355 GBP
$476 USD
View
Price last confirmed 24 days ago
Retailer 5
-
£381 GBP
$510 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
£401 GBP
View
B+
Retailer 7
-
£494 GBP
€630 EUR
View
B
Retailer 8
-
£753 GBP
View
Most Expensive
NZ Jewellers
2646be93-90d6-4867-bc7f-823289a643c9 · Sep 24
£1,243 GBP
$1,666 USD
View
Price last confirmed 38 days ago
8 more retailers have this diamond
Prices start from £343 GBPSave up to £409 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
0.43ct Round
£343 GBP