Round|Natural|GIA

0.43ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6515718731

Certificate GIA 6515718731

Diamond specifications and retailer prices

From £274 GBP
$367 USD
As of October 31, 2026
Save £776 GBP (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,050 GBP at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6515718731. Listed at 12 retailers as of October 30, 2026, with prices from £274 to £1,050, a £776 spread on the same certified stone. NZ Jewellers lists it at £1,050. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6515718731
Dimensions4.84 × 4.80 × 3.01 mm
L/W Ratio1.01
Top View
4.84 mm4.80 mm0.43 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515718731
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

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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 31
Current: £619 GBP|Low: £294 GBP|High: £627 GBP|Avg: £409 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8£297 GBP
Retailer 7£305 GBP
Retailer 2£350 GBP
Retailer 4£425 GBP
Retailer 3£437 GBP
Retailer 6£439 GBP
Retailer 5£448 GBP
Retailer 1£619 GBP

46 data points across 8 retailers

12 retailers£274 GBP to £1,050 GBP

A
Cheapest Retailer
-
£274 GBP
$367 USD
A
Retailer 2
-
£295 GBP
$395 USD
View
A
Retailer 3
-
£305 GBP
$409 USD
View
B+
Retailer 4
-
£350 GBP
View
B+
Retailer 5
-
£369 GBP
$494 USD
View
B+
Retailer 6
-
£372 GBP
$498 USD
View
B+
Retailer 7
-
£425 GBP
ZAR 9,195 ZAR
View
B
Retailer 8
-
£437 GBP
$585 USD
View
Retailer 9
-
£439 GBP
A$905 AUD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
£448 GBP
€572 EUR
View
B
Retailer 11
-
£619 GBP
View
Most Expensive
B
NZ Jewellers
c5671078-2cca-4de1-b594-b0534568fc35 · Oct 30
£1,050 GBP
$1,407 USD
View
11 more retailers have this diamond
Prices start from £274 GBPSave up to £776 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
£274 GBP