Round|Natural|GIA

0.43ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6515366977

Certificate GIA 6515366977

Diamond specifications and retailer prices

From £157 GBP
₹20,042 INR
As of October 31, 2026
Save £357 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,002 GBP at NZ Jewellers · As of September 21, 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 6515366977. Listed at 13 retailers as of October 29, 2026, with a 227% 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6515366977
Dimensions4.82 × 4.83 × 3.03 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.82 mm4.83 mm0.43 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6515366977
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: £284 GBP|Low: £157 GBP|High: £517 GBP|Avg: £294 GBP|+6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£157 GBP
Retailer 7£237 GBP
Retailer 6£245 GBP
Retailer 2£257 GBP
Retailer 1£284 GBP
Retailer 8£293 GBP
Retailer 4£375 GBP
Retailer 5£514 GBP

41 data points across 8 retailers

13 retailers£157 GBP to £514 GBP

A
Cheapest Retailer
-
£157 GBP
₹20,042 INR
A
Retailer 2
-
£191 GBP
HK$2,000 HKD
View
Retailer 3
-
£221 GBP
$296 USD
View
Price last confirmed 44 days ago
A
Retailer 4
-
£235 GBP
SGD 425 SGD
View
A
Retailer 5
-
£245 GBP
SGD 444 SGD
View
A
Retailer 6
-
£253 GBP
A$522 AUD
View
A
Retailer 7
-
£257 GBP
$345 USD
View
A
Retailer 8
-
£284 GBP
View
A
Retailer 9
-
£293 GBP
$393 USD
View
Retailer 10
-
£298 GBP
$399 USD
View
Price last confirmed 40 days ago
B+
Retailer 11
-
£375 GBP
€478 EUR
View
B
Retailer 12
-
£514 GBP
View
Most Expensive
NZ Jewellers
67c14f54-ad40-4165-9871-c43a25e6313d · Sep 21
£1,002 GBP
$1,342 USD
View
Price last confirmed 41 days ago
12 more retailers have this diamond
Prices start from £157 GBPSave up to £357 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
£157 GBP