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Oval|Natural|GIA

0.45ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 7556537389

Certificate GIA 7556537389

Diamond specifications and retailer prices

From £358 GBP
As of November 6, 2026
Save £176 GBP (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £534 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 0.45ct natural oval diamond

This 0.45ct natural oval sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556537389. Listed at 10 retailers as of November 6, 2026, with prices from £358 to £534, a £176 spread on the same certified stone. Wholesale Diamonds Direct lists it at £534. 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

0.45
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.23°
Pavilion angle38.75°
OriginNatural
Grading LabGIA
CertificateGIA 7556537389
Dimensions6.42 × 4.12 × 2.53 mm
L/W Ratio1.56
Culet sizeVery Small
Top View
6.42 mm4.12 mm0.45 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556537389
Side View
Table 62.0%Crown 39.23°Girdle: MED-VTKPavilion 38.75°Culet: Very SmallDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £511 GBP|Low: £358 GBP|High: £555 GBP|Avg: £450 GBP|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 8£358 GBP
Retailer 3£383 GBP
Retailer 6£395 GBP
Retailer 2£431 GBP
Retailer 9£442 GBP
Retailer 7£445 GBP
Retailer 4£465 GBP
Retailer 5£501 GBP
Retailer 1£511 GBP
Wholesale Diamonds Direct£534 GBP

43 data points across 10 retailers

10 retailers£358 GBP to £534 GBP

B+
Cheapest Retailer
-
£358 GBP
B+
Retailer 2
-
£383 GBP
View
B+
Retailer 3
-
£395 GBP
View
B+
Retailer 4
-
£431 GBP
View
B
Retailer 5
-
£445 GBP
View
B+
Retailer 6
-
£465 GBP
View
B
Retailer 7
-
£501 GBP
View
B
Retailer 8
-
£511 GBP
View
B
Retailer 9
-
£533 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
262910927 · Nov 6
£534 GBP
$715 USD
View
9 more retailers have this diamond
Prices start from £358 GBPSave up to £176 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+
0.45ct Oval
£358 GBP