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Oval|Natural|GIA

0.55ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6565039100

Certificate GIA 6565039100

Diamond specifications and retailer prices

From £430 GBP
HK$4,500 HKD
As of November 1, 2026
Save £1,156 GBP (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,586 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.55ct natural oval diamond

This 0.55ct natural oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565039100. Listed at 17 retailers as of October 30, 2026, with prices from £430 to £1,586, a £1,156 spread on the same certified stone. NZ Jewellers lists it at £1,586. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565039100
Dimensions6.46 × 4.59 × 2.90 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
6.46 mm4.59 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6565039100
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.2%

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 1
Current: £1,586 GBP|Low: £466 GBP|High: £1,586 GBP|Avg: £699 GBP
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
Retailer 16
November 1, 2026
Retailer 14£466 GBP
Retailer 3£505 GBP
Retailer 16£505 GBP
Retailer 15£525 GBP
Retailer 5£526 GBP
Retailer 4£584 GBP
Retailer 6£584 GBP
Retailer 8£596 GBP
Retailer 2£621 GBP
Retailer 9£624 GBP
Retailer 10£642 GBP
Retailer 11£720 GBP
Retailer 7£760 GBP
Retailer 12£780 GBP
Retailer 13£1,174 GBP
NZ Jewellers£1,586 GBP

40 data points across 16 retailers

17 retailers£430 GBP to £1,586 GBP

A
Cheapest Retailer
-
£430 GBP
HK$4,500 HKD
A
Retailer 2
-
£466 GBP
$625 USD
View
A
Retailer 3
-
£505 GBP
$677 USD
View
A
Retailer 4
-
£505 GBP
$677 USD
View
A
Retailer 5
-
£525 GBP
$704 USD
View
A
Retailer 6
-
£526 GBP
SGD 952 SGD
View
A
Retailer 7
-
£584 GBP
$782 USD
View
A
Retailer 8
-
£584 GBP
$782 USD
View
A
Retailer 9
-
£596 GBP
$798 USD
View
A
Retailer 10
-
£621 GBP
View
B+
Retailer 11
-
£624 GBP
View
B+
Retailer 12
-
£642 GBP
$860 USD
View
B+
Retailer 13
-
£720 GBP
€919 EUR
View
Retailer 14
-
£760 GBP
A$1,567 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
£780 GBP
ZAR 16,894 ZAR
View
B
Retailer 16
-
£1,174 GBP
View
Most Expensive
B
NZ Jewellers
a5a4523c-514c-4dc4-affd-c9dbcfc24278 · Oct 30
£1,586 GBP
$2,125 USD
View
16 more retailers have this diamond
Prices start from £430 GBPSave up to £1,156 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 Oval
£430 GBP