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0.43ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2558316647

Certificate GIA 2558316647

Diamond specifications and retailer prices

From £393 GBP
$527 USD
As of October 30, 2026
Save £659 GBP (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,052 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 2558316647. Listed at 10 retailers as of October 27, 2026, with prices from £393 to £1,052, a £659 spread on the same certified stone. Queensmith lists it at £1,052. 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2558316647
Dimensions4.83 × 4.85 × 3.01 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.83 mm4.85 mm0.43 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558316647
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: £1,052 GBP|Low: £313 GBP|High: £1,057 GBP|Avg: £568 GBP|+2.8%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£313 GBP
Retailer 3£332 GBP
Retailer 8£393 GBP
Retailer 4£441 GBP
Retailer 10£464 GBP
Retailer 9£466 GBP
Retailer 12£496 GBP
Retailer 5£509 GBP
Retailer 6£620 GBP
Retailer 2£861 GBP
Retailer 7£970 GBP
Queensmith£1,052 GBP

31 data points across 12 retailers

10 retailers£393 GBP to £1,052 GBP

A
Cheapest Retailer
-
£393 GBP
$527 USD
Retailer 2
-
£407 GBP
$546 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£437 GBP
$585 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
£452 GBP
$606 USD
View
B+
Retailer 5
-
£464 GBP
$622 USD
View
B+
Retailer 6
-
£509 GBP
View
B+
Retailer 7
-
£620 GBP
€791 EUR
View
B
Retailer 8
-
£861 GBP
View
B
Retailer 9
-
£970 GBP
View
Most Expensive
B
Queensmith
2558316647 · Oct 27
£1,052 GBP
View
9 more retailers have this diamond
Prices start from £393 GBPSave up to £659 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
£393 GBP