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Oval|Natural|GIA

4.03ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 5553078500

Certificate GIA 5553078500

Diamond specifications and retailer prices

From £33,073 GBP
HK$346,200 HKD
As of October 24, 2026
Save £31,394 GBP (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £64,466 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 4.03ct natural oval diamond

This 4.03ct natural oval sits in the three to five 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 5553078500. Listed at 11 retailers as of October 24, 2026, with prices from £33,073 to £64,466, a £31,394 spread on the same certified stone. MOH London lists it at £64,466. 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

4.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5553078500
Dimensions12.98 × 8.76 × 5.20 mm
L/W Ratio1.48
Top View
12.98 mm8.76 mm4.03 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5553078500
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.3%

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: Oct 24
Current: £64,466 GBP|Low: £33,073 GBP|High: £64,466 GBP|Avg: £42,460 GBP|+5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6£33,073 GBP
Retailer 10£36,465 GBP
Retailer 5£39,189 GBP
Retailer 3£40,110 GBP
Retailer 8£40,564 GBP
Retailer 4£41,603 GBP
Retailer 9£41,910 GBP
Retailer 7£42,020 GBP
Retailer 2£51,419 GBP
MOH London£64,466 GBP

23 data points across 10 retailers

11 retailers£33,073 GBP to £64,466 GBP

A
Cheapest Retailer
-
£33,073 GBP
HK$346,200 HKD
Retailer 2
-
£36,465 GBP
SGD 66,026 SGD
View
Price last confirmed 20 days ago
Retailer 3
-
£39,189 GBP
€50,009 EUR
View
Price last confirmed 2 days ago
A
Retailer 4
-
£40,110 GBP
$53,743 USD
View
A
Retailer 5
-
£40,564 GBP
$54,351 USD
View
Retailer 6
-
£40,582 GBP
$54,376 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
£41,603 GBP
View
A
Retailer 8
-
£41,682 GBP
A$85,921 AUD
View
Retailer 9
-
£46,587 GBP
$62,422 USD
View
Price last confirmed 35 days ago
B+
Retailer 10
-
£51,419 GBP
€65,615 EUR
View
Most Expensive
B
MOH London
04237B6EC · Oct 29
£64,466 GBP
View
10 more retailers have this diamond
Prices start from £33,073 GBPSave up to £31,394 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
4.03ct Oval
£33,073 GBP