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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 5393552506

Certificate GIA 5393552506

Diamond specifications and retailer prices

From €2,989 EUR
As of November 6, 2026
Save €4,145 EUR (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €7,134 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 5393552506. Listed at 13 retailers as of November 5, 2026, with prices from €2,989 to €7,134, a €4,145 spread on the same certified stone. NZ Jewellers lists it at €7,134. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5393552506
Dimensions8.96 × 6.30 × 3.83 mm
L/W Ratio1.42
Top View
8.96 mm6.30 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5393552506
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.7%

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: Nov 6
Current: €7,134 EUR|Low: €2,989 EUR|High: €7,134 EUR|Avg: €4,432 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8€2,989 EUR
Retailer 3€3,264 EUR
Retailer 5€3,710 EUR
Retailer 11€3,710 EUR
Retailer 13€3,710 EUR
Retailer 4€3,770 EUR
Retailer 6€4,031 EUR
Retailer 2€4,075 EUR
Retailer 12€4,280 EUR
Retailer 9€4,631 EUR
Retailer 10€5,924 EUR
Retailer 7€6,503 EUR
NZ Jewellers€7,134 EUR

43 data points across 13 retailers

13 retailers€2,989 EUR to €7,134 EUR

A
Cheapest Retailer
-
€2,989 EUR
B+
Retailer 2
-
€3,264 EUR
View
Retailer 3
-
€3,710 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€3,710 EUR
View
B+
Retailer 5
-
€3,710 EUR
View
B+
Retailer 6
-
€3,770 EUR
View
B+
Retailer 7
-
€4,031 EUR
View
B+
Retailer 8
-
€4,075 EUR
View
B+
Retailer 9
-
€4,280 EUR
View
B
Retailer 10
-
€4,631 EUR
View
B
Retailer 11
-
€5,924 EUR
View
B
Retailer 12
-
€6,503 EUR
View
Most Expensive
B
NZ Jewellers
190de76b-41cc-49dd-905a-593ead80c1cb · Nov 5
€7,134 EUR
$7,965 USD
View
12 more retailers have this diamond
Prices start from €2,989 EURSave up to €4,145 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
1.51ct Oval
€2,989 EUR