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Oval|Natural|GIA

1.55ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 6545134058

Certificate GIA 6545134058

Diamond specifications and retailer prices

From £4,463 GBP
As of November 5, 2026
Save £1,349 GBP (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,812 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.55ct natural oval diamond

This 1.55ct natural oval sits in the one-and-a-half to two carat band, graded E 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 6545134058. Listed at 7 retailers as of November 5, 2026, with prices from £4,463 to £5,812, a £1,349 spread on the same certified stone. GemTrove lists it at £5,812. 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

1.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545134058
Dimensions8.91 × 6.61 × 4.09 mm
L/W Ratio1.35
Top View
8.91 mm6.61 mm1.55 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545134058
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.8%

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 5
Current: £4,576 GBP|Low: £4,246 GBP|High: £5,544 GBP|Avg: £4,815 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£4,463 GBP
Retailer 1£4,576 GBP
Retailer 4£4,643 GBP
Retailer 5£4,792 GBP
Retailer 2£4,811 GBP
Retailer 6£4,889 GBP

46 data points across 6 retailers

7 retailers£4,463 GBP to £5,812 GBP

A
Cheapest Retailer
-
£4,463 GBP
A
Retailer 2
-
£4,576 GBP
View
A
Retailer 3
-
£4,643 GBP
View
A
Retailer 4
-
£4,792 GBP
View
Final sale: no returns
A
Retailer 5
-
£4,811 GBP
View
A
Retailer 6
-
£4,889 GBP
View
Most Expensive
B+
GemTrove
GT-N-01286970-98 · Nov 6
£5,812 GBP
A$11,968 AUD
View
6 more retailers have this diamond
Prices start from £4,463 GBPSave up to £1,349 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
1.55ct Oval
£4,463 GBP