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Oval|Natural|GIA

1.55ct D SI2 Oval Natural Diamond

D/SI2 • GIA 5563111238

Certificate GIA 5563111238

Diamond specifications and retailer prices

From £5,286 GBP
As of October 30, 2026
Save £4,068 GBP (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £9,355 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural oval diamond

This 1.55ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included) and certified by GIA 5563111238. Listed at 6 retailers as of October 30, 2026, with prices from £5,286 to £9,355, a £4,068 spread on the same certified stone. NZ Jewellers lists it at £9,355. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
D
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle37.93°
Pavilion angle35.73°
OriginNatural
Grading LabGIA
CertificateGIA 5563111238
Dimensions9.44 × 6.52 × 3.72 mm
L/W Ratio1.45
Girdle conditionThick
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Cavity, Needle
Top View
9.44 mm6.52 mm1.55 ctD / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5563111238
Side View
Table 60.0%Crown 37.93°GirdlePavilion 35.73°CuletDepth 57.0%

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: Oct 30
Current: £9,355 GBP|Low: £5,286 GBP|High: £9,469 GBP|Avg: £6,836 GBP|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3£5,286 GBP
Retailer 6£5,633 GBP
Retailer 5£5,720 GBP
Retailer 2£6,327 GBP
Retailer 4£7,894 GBP
NZ Jewellers£9,355 GBP

40 data points across 6 retailers

6 retailers£5,286 GBP to £9,355 GBP

B+
Cheapest Retailer
-
£5,286 GBP
B+
Retailer 2
-
£5,633 GBP
$7,548 USD
View
B+
Retailer 3
-
£5,720 GBP
$7,664 USD
View
B+
Retailer 4
-
£6,327 GBP
$8,477 USD
View
B
Retailer 5
-
£7,894 GBP
View
Most Expensive
B
NZ Jewellers
38fcc6d4-654d-4bcd-8da4-a7debc83046f · Oct 30
£9,355 GBP
$12,534 USD
View
5 more retailers have this diamond
Prices start from £5,286 GBPSave up to £4,068 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+
1.55ct Oval
£5,286 GBP