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Round|Natural|GIA

0.43ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1563621737

Certificate GIA 1563621737

Diamond specifications and retailer prices

From £199 GBP
₹25,450 INR
As of November 1, 2026
Save £869 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,069 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 1563621737. Listed at 13 retailers as of October 30, 2026, with prices from £199 to £1,069, a £869 spread on the same certified stone. NZ Jewellers lists it at £1,069. 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1563621737
Dimensions4.82 × 4.84 × 3.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Crystal, Cloud
Top View
4.82 mm4.84 mm0.43 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563621737
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: Nov 1
Current: £1,069 GBP|Low: £199 GBP|High: £1,096 GBP|Avg: £435 GBP|-2.5%
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
November 1, 2026
Retailer 2£199 GBP
Retailer 5£239 GBP
Retailer 13£279 GBP
Retailer 4£295 GBP
Retailer 12£311 GBP
Retailer 10£364 GBP
Retailer 3£369 GBP
Retailer 9£389 GBP
Retailer 11£403 GBP
Retailer 8£456 GBP
Retailer 6£564 GBP
Retailer 7£644 GBP
NZ Jewellers£1,069 GBP

18 data points across 13 retailers

13 retailers£199 GBP to £1,069 GBP

A
Cheapest Retailer
-
£199 GBP
₹25,450 INR
A
Retailer 2
-
£239 GBP
HK$2,500 HKD
View
A
Retailer 3
-
£279 GBP
$374 USD
View
A
Retailer 4
-
£295 GBP
SGD 534 SGD
View
A
Retailer 5
-
£311 GBP
$417 USD
View
B+
Retailer 6
-
£364 GBP
$488 USD
View
B+
Retailer 7
-
£369 GBP
$495 USD
View
B+
Retailer 8
-
£389 GBP
$521 USD
View
B+
Retailer 9
-
£403 GBP
$540 USD
View
B+
Retailer 10
-
£456 GBP
€582 EUR
View
B
Retailer 11
-
£564 GBP
View
B
Retailer 12
-
£644 GBP
View
Most Expensive
B
NZ Jewellers
ff0e3eb7-a241-4709-80b0-ade06429b592 · Oct 30
£1,069 GBP
$1,432 USD
View
12 more retailers have this diamond
Prices start from £199 GBPSave up to £869 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
£199 GBP