Round|Natural|GIA

0.45ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 5406201863

Certificate GIA 5406201863

Diamond specifications and retailer prices

From £579 GBP
As of November 4, 2026
Save £538 GBP (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,389 GBP at Flawless Fine Jewelry · As of October 8, 2026
View at Flawless Fine Jewelry

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5406201863. Listed at 19 retailers as of November 2, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5406201863
Dimensions4.98 × 4.95 × 2.98 mm
L/W Ratio1.01
Top View
4.98 mm4.95 mm0.45 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5406201863
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.3%

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 4
Current: £1,389 GBP|Low: £627 GBP|High: £1,394 GBP|Avg: £1,012 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 9£627 GBP
Retailer 10£748 GBP
Retailer 8£861 GBP
Retailer 2£890 GBP
Retailer 3£905 GBP
Retailer 6£1,039 GBP
Retailer 5£1,074 GBP
Retailer 4£1,282 GBP
Flawless Fine Jewelry£1,389 GBP
Retailer 7£1,393 GBP

38 data points across 10 retailers

19 retailers£579 GBP to £1,116 GBP

B+
Cheapest Retailer
-
£579 GBP
Retailer 2
-
£599 GBP
View
Price last confirmed 109 days ago
Retailer 3
-
£627 GBP
View
Price last confirmed 28 days ago
B+
Retailer 4
-
£627 GBP
View
B+
Retailer 5
-
£630 GBP
View
Retailer 6
-
£650 GBP
View
Price last confirmed 37 days ago
Retailer 7
-
£723 GBP
View
Price last confirmed 37 days ago
B
Retailer 8
-
£770 GBP
View
B
Retailer 9
-
£770 GBP
View
B
Retailer 10
-
£793 GBP
View
B
Retailer 11
-
£890 GBP
View
B
Retailer 12
-
£905 GBP
View
Retailer 13
-
£926 GBP
View
Price last confirmed 28 days ago
Retailer 14
-
£1,039 GBP
View
Price last confirmed 32 days ago
Retailer 15
-
£1,074 GBP
View
Price last confirmed 32 days ago
B
Retailer 16
-
£1,116 GBP
View
Retailer 17
-
£1,282 GBP
View
Price last confirmed 31 days ago
Most Expensive
Flawless Fine Jewelry
B4D8FED1D · Oct 8
£1,389 GBP
View
Price last confirmed 28 days ago
17 more retailers have this diamond
Prices start from £579 GBPSave up to £538 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 Round
£579 GBP