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Oval|Natural|GIA

1.21ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 1545431226

Certificate GIA 1545431226

Diamond specifications and retailer prices

From €1,174 EUR
As of November 6, 2026
4 retailers carry this diamond
Most expensive: €2,552 EUR at NZ Jewellers · As of September 12, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-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 1545431226. Listed at 4 retailers as of November 6, 2026. 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

1.21
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle34.98°
OriginNatural
Grading LabGIA
CertificateGIA 1545431226
Dimensions8.47 × 6.05 × 3.57 mm
L/W Ratio1.40
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
8.47 mm6.05 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545431226
Side View
Table 64.0%CrownGirdle: ThickPavilion 34.98°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: €2,552 EUR|Low: €813 EUR|High: €2,552 EUR|Avg: €1,474 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 14, 2026
Retailer 6€813 EUR
Retailer 5€1,020 EUR
Retailer 2€1,044 EUR
Retailer 3€1,065 EUR
Retailer 4€1,174 EUR
Retailer 8€1,491 EUR
Retailer 7€1,674 EUR
NZ Jewellers€2,552 EUR

73 data points across 8 retailers

4 retailers

Retailer 1
-
€813 EUR
Price last confirmed 64 days ago
Retailer 2
-
€1,020 EUR
View
Price last confirmed 55 days ago
B+
Retailer 3
-
€1,174 EUR
View
Most Expensive
NZ Jewellers
79e716ea-ae68-4aa3-83a9-db48c46f58f7 · Sep 12
€2,552 EUR
$2,849 USD
View
Price last confirmed 55 days ago
3 more retailers have this diamond
Prices start from €1,174 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.

B+
1.21ct Oval
€1,174 EUR