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Oval|Natural|GIA

0.55ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2564754649

Certificate GIA 2564754649

Diamond specifications and retailer prices

From £364 GBP
As of November 6, 2026
Save £1,145 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,509 GBP at NZ Jewellers · As of November 5, 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 2564754649. Listed at 16 retailers as of November 5, 2026, with prices from £364 to £1,509, a £1,145 spread on the same certified stone. NZ Jewellers lists it at £1,509. 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 2564754649
Dimensions6.47 × 4.56 × 2.83 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.47 mm4.56 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2564754649
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.1%

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: £1,509 GBP|Low: £364 GBP|High: £1,532 GBP|Avg: £631 GBP|-1.5%
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 6, 2026
Retailer 9£364 GBP
Retailer 15£445 GBP
Retailer 2£459 GBP
Retailer 16£481 GBP
Retailer 7£484 GBP
Retailer 4£518 GBP
Retailer 14£551 GBP
Retailer 12£582 GBP
Retailer 10£583 GBP
Retailer 8£586 GBP
Retailer 5£601 GBP
Retailer 13£620 GBP
Retailer 11£657 GBP
Retailer 3£748 GBP
Retailer 6£1,127 GBP
NZ Jewellers£1,509 GBP

8 data points across 16 retailers

16 retailers£364 GBP to £1,509 GBP

A
Cheapest Retailer
-
£364 GBP
A
Retailer 2
-
£445 GBP
View
Final sale: no returns
A
Retailer 3
-
£459 GBP
View
A
Retailer 4
-
£481 GBP
View
A
Retailer 5
-
£484 GBP
View
A
Retailer 6
-
£518 GBP
View
A
Retailer 7
-
£551 GBP
View
A
Retailer 8
-
£582 GBP
View
A
Retailer 9
-
£583 GBP
View
A
Retailer 10
-
£586 GBP
View
A
Retailer 11
-
£601 GBP
View
A
Retailer 12
-
£620 GBP
View
B+
Retailer 13
-
£657 GBP
View
B+
Retailer 14
-
£748 GBP
View
B
Retailer 15
-
£1,127 GBP
View
Most Expensive
B
NZ Jewellers
51fb21df-d060-41a2-99f2-21cf4d61ed36 · Nov 5
£1,509 GBP
$2,020 USD
View
15 more retailers have this diamond
Prices start from £364 GBPSave up to £1,145 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
£364 GBP