Round|Natural|GIA

0.43ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2567410058

Certificate GIA 2567410058

Diamond specifications and retailer prices

From £299 GBP
$400 USD
As of October 30, 2026
Save £452 GBP (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,243 GBP at NZ Jewellers · As of October 11, 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 2567410058. Listed at 13 retailers as of October 25, 2026, with a 151% 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
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2567410058
Dimensions4.87 × 4.86 × 2.99 mm
L/W Ratio1.00
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.87 mm4.86 mm0.43 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567410058
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NDepth 61.5%

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: Oct 30
Current: £1,243 GBP|Low: £299 GBP|High: £1,243 GBP|Avg: £503 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8£299 GBP
Retailer 10£325 GBP
Retailer 2£328 GBP
Retailer 11£349 GBP
Retailer 12£349 GBP
Retailer 3£375 GBP
Retailer 6£389 GBP
Retailer 5£422 GBP
Retailer 4£436 GBP
Retailer 7£511 GBP
Retailer 9£651 GBP
Retailer 13£751 GBP
NZ Jewellers£1,243 GBP

31 data points across 13 retailers

13 retailers£299 GBP to £751 GBP

A
Cheapest Retailer
-
£299 GBP
$400 USD
A
Retailer 2
-
£325 GBP
$435 USD
View
A
Retailer 3
-
£328 GBP
A$676 AUD
View
A
Retailer 4
-
£349 GBP
$468 USD
View
A
Retailer 5
-
£349 GBP
$468 USD
View
Retailer 6
-
£375 GBP
$502 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
£389 GBP
View
B+
Retailer 8
-
£422 GBP
$566 USD
View
B+
Retailer 9
-
£436 GBP
$584 USD
View
B+
Retailer 10
-
£511 GBP
€652 EUR
View
B+
Retailer 11
-
£651 GBP
View
B
Retailer 12
-
£751 GBP
View
Most Expensive
NZ Jewellers
cd6f6259-6fc6-4c8d-b432-f1caec0ef83e · Oct 11
£1,243 GBP
$1,666 USD
View
Price last confirmed 20 days ago
12 more retailers have this diamond
Prices start from £299 GBPSave up to £452 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
£299 GBP