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Round|Natural|GIA

0.53ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 6204398270

Certificate GIA 6204398270

Diamond specifications and retailer prices

From £399 GBP
As of November 5, 2026
Save £983 GBP (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,382 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6204398270. Listed at 12 retailers as of November 4, 2026, with prices from £399 to £1,382, a £983 spread on the same certified stone. NZ Jewellers lists it at £1,382. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.53
Carat
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6204398270
Dimensions5.08 × 5.05 × 3.26 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.08 mm5.05 mm0.53 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6204398270
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 41.4°Culet: Very SmallDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,382 GBP|Low: £399 GBP|High: £1,382 GBP|Avg: £659 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3£399 GBP
Retailer 6£401 GBP
Retailer 10£430 GBP
Retailer 11£487 GBP
Retailer 9£507 GBP
Retailer 2£533 GBP
Retailer 8£546 GBP
Retailer 4£646 GBP
Retailer 5£680 GBP
Retailer 7£1,016 GBP
NZ Jewellers£1,382 GBP

44 data points across 11 retailers

12 retailers£399 GBP to £1,382 GBP

B+
Cheapest Retailer
-
£399 GBP
B+
Retailer 2
-
£401 GBP
View
Retailer 3
-
£430 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£430 GBP
View
B+
Retailer 5
-
£461 GBP
View
B
Retailer 6
-
£507 GBP
View
B
Retailer 7
-
£533 GBP
View
B
Retailer 8
-
£546 GBP
View
B
Retailer 9
-
£646 GBP
View
B
Retailer 10
-
£680 GBP
View
C
Retailer 11
-
£1,016 GBP
View
Most Expensive
C
NZ Jewellers
5b8fad62-e181-44ae-ab89-d773061f9d54 · Nov 4
£1,382 GBP
$1,860 USD
View
11 more retailers have this diamond
Prices start from £399 GBPSave up to £983 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.

B+
0.53ct Round
£399 GBP