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Oval|Natural|GIA

0.55ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1549263226

Certificate GIA 1549263226

Diamond specifications and retailer prices

From £643 GBP
As of November 4, 2026
Save £368 GBP (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,011 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.55ct natural oval diamond

This 0.55ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 1549263226. Listed at 3 retailers as of November 4, 2026, with prices from £643 to £1,011, a £368 spread on the same certified stone. 77 Diamonds lists it at £1,011. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549263226
Dimensions6.41 × 4.57 × 2.89 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
6.41 mm4.57 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549263226
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

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: £1,011 GBP|Low: £682 GBP|High: £1,023 GBP|Avg: £798 GBP|+1.2%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£682 GBP
Retailer 2£696 GBP
77 Diamonds£1,011 GBP

36 data points across 3 retailers

3 retailers£643 GBP to £1,011 GBP

B+
Cheapest Retailer
-
£643 GBP
B+
Retailer 2
-
£696 GBP
View
Most Expensive
B
77 Diamonds
OVDHKFSZAWCG · Nov 6
£1,011 GBP
View
2 more retailers have this diamond
Prices start from £643 GBPSave up to £368 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+
0.55ct Oval
£643 GBP