CaratHunter
Plans
Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1563468794

Certificate GIA 1563468794

Diamond specifications and retailer prices

From £314 GBP
As of November 6, 2026
Save £655 GBP (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £968 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563468794. Listed at 16 retailers as of November 1, 2026, with prices from £314 to £968, a £655 spread on the same certified stone. MOH London lists it at £968. 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

0.55
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
OriginNatural
Grading LabGIA
CertificateGIA 1563468794
Dimensions5.23 × 5.25 × 3.28 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563468794
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilionCulet: NoneDepth 62.5%

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 6
Current: £968 GBP|Low: £314 GBP|High: £984 GBP|Avg: £515 GBP|-0.2%
MOH London
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
Retailer 16
November 6, 2026
Retailer 2£314 GBP
Retailer 14£338 GBP
Retailer 8£361 GBP
Retailer 5£382 GBP
Retailer 4£418 GBP
Retailer 12£435 GBP
Retailer 6£445 GBP
Retailer 10£512 GBP
Retailer 16£512 GBP
Retailer 13£514 GBP
Retailer 9£533 GBP
Retailer 3£561 GBP
Retailer 11£572 GBP
Retailer 7£576 GBP
Retailer 15£639 GBP
MOH London£968 GBP

16 data points across 16 retailers

16 retailers£314 GBP to £968 GBP

A
Cheapest Retailer
-
£314 GBP
A
Retailer 2
-
£338 GBP
View
A
Retailer 3
-
£361 GBP
View
A
Retailer 4
-
£382 GBP
View
Final sale: no returns
A
Retailer 5
-
£418 GBP
View
A
Retailer 6
-
£435 GBP
View
A
Retailer 7
-
£445 GBP
View
A
Retailer 8
-
£512 GBP
View
A
Retailer 9
-
£512 GBP
View
A
Retailer 10
-
£514 GBP
View
A
Retailer 11
-
£533 GBP
View
B+
Retailer 12
-
£561 GBP
View
B+
Retailer 13
-
£572 GBP
View
B+
Retailer 14
-
£576 GBP
View
B+
Retailer 15
-
£639 GBP
View
Most Expensive
B
MOH London
A48B088C3 · Nov 1
£968 GBP
View
15 more retailers have this diamond
Prices start from £314 GBPSave up to £655 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
0.55ct Round
£314 GBP