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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 2245085602

Certificate GIA 2245085602

Diamond specifications and retailer prices

From €1,708 EUR
As of November 6, 2026
Save €3,300 EUR (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,008 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 2245085602. Listed at 12 retailers as of November 5, 2026, with prices from €1,708 to €5,008, a €3,300 spread on the same certified stone. NZ Jewellers lists it at €5,008. 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
SymmetryExcellent
FluorescenceMedium
Pavilion angle38.75°
OriginNatural
Grading LabGIA
CertificateGIA 2245085602
Dimensions9.01 × 6.34 × 4.10 mm
L/W Ratio1.42
Key to symbols
Crystal, Cloud
Top View
9.01 mm6.34 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2245085602
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 38.75°Culet: NoneDepth 64.6%

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: €5,008 EUR|Low: €1,708 EUR|High: €5,326 EUR|Avg: €3,011 EUR|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2€1,708 EUR
Retailer 10€2,208 EUR
Retailer 5€2,310 EUR
Retailer 6€2,375 EUR
Retailer 4€2,395 EUR
Retailer 12€2,487 EUR
Retailer 3€2,612 EUR
Retailer 8€2,832 EUR
Retailer 7€2,947 EUR
Retailer 11€3,639 EUR
Retailer 9€4,196 EUR
NZ Jewellers€5,008 EUR

24 data points across 12 retailers

12 retailers€1,708 EUR to €5,008 EUR

A
Cheapest Retailer
-
€1,708 EUR
A
Retailer 2
-
€2,208 EUR
View
A
Retailer 3
-
€2,310 EUR
View
A
Retailer 4
-
€2,375 EUR
View
A
Retailer 5
-
€2,395 EUR
View
A
Retailer 6
-
€2,487 EUR
View
A
Retailer 7
-
€2,612 EUR
View
A
Retailer 8
-
€2,832 EUR
View
A
Retailer 9
-
€2,947 EUR
View
B+
Retailer 10
-
€3,639 EUR
View
B+
Retailer 11
-
€4,196 EUR
View
Most Expensive
B
NZ Jewellers
06407ec2-9e67-4908-8adb-4ab5f11a71bc · Nov 5
€5,008 EUR
$5,591 USD
View
11 more retailers have this diamond
Prices start from €1,708 EURSave up to €3,300 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
€1,708 EUR