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Oval|Natural|GIA

0.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 5543879084

Certificate GIA 5543879084

Diamond specifications and retailer prices

From £383 GBP
₹48,821 INR
As of October 31, 2026
Save £809 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,191 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.51ct natural oval diamond

This 0.51ct 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 5543879084. Listed at 6 retailers as of October 25, 2026, with prices from £383 to £1,191, a £809 spread on the same certified stone. MOH London lists it at £1,191. 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

0.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5543879084
Dimensions6.06 × 4.50 × 2.80 mm
L/W Ratio1.35
Top View
6.06 mm4.50 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5543879084
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,191 GBP|Low: £382 GBP|High: £1,205 GBP|Avg: £717 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2£383 GBP
Retailer 6£587 GBP
Retailer 3£636 GBP
Retailer 4£733 GBP
Retailer 5£775 GBP
MOH London£1,191 GBP

41 data points across 6 retailers

6 retailers£383 GBP to £1,191 GBP

A
Cheapest Retailer
-
£383 GBP
₹48,821 INR
B+
Retailer 2
-
£587 GBP
$787 USD
View
B+
Retailer 3
-
£636 GBP
View
B+
Retailer 4
-
£733 GBP
€935 EUR
View
Retailer 5
-
£775 GBP
A$1,597 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
6C0B31F91 · Oct 25
£1,191 GBP
View
5 more retailers have this diamond
Prices start from £383 GBPSave up to £809 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
0.51ct Oval
£383 GBP