Round|Natural|GIA

0.48ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6515735575

Certificate GIA 6515735575

Diamond specifications and retailer prices

From £369 GBP
As of November 5, 2026
Save £826 GBP (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,219 GBP at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 0.48ct natural round diamond

This 0.48ct natural round sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6515735575. Listed at 19 retailers as of November 4, 2026, with a 224% 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

0.48
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6515735575
Dimensions5.14 × 5.12 × 3.03 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.14 mm5.12 mm0.48 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6515735575
Side View
Table 62.0%Crown 33°Girdle: MediumPavilion 41.4°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
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: Nov 5
Current: £1,195 GBP|Low: £369 GBP|High: £1,219 GBP|Avg: £570 GBP|-2.0%
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 13£369 GBP
Retailer 4£381 GBP
Retailer 14£410 GBP
Retailer 15£410 GBP
Retailer 3£440 GBP
Retailer 2£470 GBP
Retailer 8£481 GBP
Retailer 5£510 GBP
Retailer 12£531 GBP
Retailer 6£534 GBP
Retailer 9£566 GBP
Retailer 7£584 GBP
Retailer 10£594 GBP
Retailer 11£879 GBP
NZ Jewellers£1,195 GBP

42 data points across 15 retailers

19 retailers£369 GBP to £1,195 GBP

A
Cheapest Retailer
-
£369 GBP
A
Retailer 2
-
£381 GBP
View
Retailer 3
-
£389 GBP
View
Price last confirmed 44 days ago
Retailer 4
-
£410 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£410 GBP
View
B+
Retailer 6
-
£440 GBP
View
Retailer 7
-
£449 GBP
View
Price last confirmed 45 days ago
B+
Retailer 8
-
£470 GBP
View
B+
Retailer 9
-
£481 GBP
View
B+
Retailer 10
-
£510 GBP
View
B+
Retailer 11
-
£531 GBP
View
B+
Retailer 12
-
£534 GBP
View
B+
Retailer 13
-
£566 GBP
View
B
Retailer 14
-
£567 GBP
View
Retailer 15
-
£584 GBP
View
Price last confirmed 34 days ago
B+
Retailer 16
-
£594 GBP
View
B
Retailer 17
-
£879 GBP
View
B
Retailer 18
-
£1,195 GBP
View
Most Expensive
NZ Jewellers
109082ec-3faf-49cf-90db-473c3784b523 · Sep 21
£1,219 GBP
$1,641 USD
View
Price last confirmed 46 days ago
18 more retailers have this diamond
Prices start from £369 GBPSave up to £826 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
0.48ct Round
£369 GBP