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Oval|Natural|GIA

0.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 1549594994

Certificate GIA 1549594994

Diamond specifications and retailer prices

From €243 EUR
As of November 6, 2026
Save €534 EUR (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €777 EUR at MOH London · As of November 4, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549594994. Listed at 5 retailers as of November 4, 2026, with prices from €243 to €777, a €534 spread on the same certified stone. MOH London lists it at €777. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549594994
Dimensions6.33 × 4.56 × 2.71 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
6.33 mm4.56 mm0.51 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1549594994
Side View
Table 59.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €777 EUR|Low: €243 EUR|High: €781 EUR|Avg: €432 EUR|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2€243 EUR
Retailer 3€433 EUR
Retailer 4€518 EUR
MOH London€777 EUR

30 data points across 4 retailers

5 retailers€243 EUR to €777 EUR

A
Cheapest Retailer
-
€243 EUR
Retailer 2
-
€354 EUR
View
Price last confirmed 9 days ago
B+
Retailer 3
-
€433 EUR
View
B+
Retailer 4
-
€518 EUR
View
Most Expensive
B
MOH London
911ED6DA0 · Nov 4
€777 EUR
£683 GBP
View
4 more retailers have this diamond
Prices start from €243 EURSave up to €534 EUR

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
€243 EUR