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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

EX • M/SI2 • GIA 6451145539

Certificate GIA 6451145539

Diamond specifications and retailer prices

From €1,764 EUR
As of November 5, 2026
Save €2,537 EUR (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €4,301 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 M 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 6451145539. Listed at 5 retailers as of November 5, 2026, with prices from €1,764 to €4,301, a €2,537 spread on the same certified stone. NZ Jewellers lists it at €4,301. 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
M
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6451145539
Dimensions9.71 × 6.17 × 3.73 mm
L/W Ratio1.57
Top View
9.71 mm6.17 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6451145539
Side View
TableCrownGirdlePavilionCulet: NoneDepth

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €4,301 EUR|Low: €1,272 EUR|High: €4,301 EUR|Avg: €2,105 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8€1,272 EUR
Retailer 6€1,560 EUR
Retailer 2€1,764 EUR
Retailer 4€1,764 EUR
Retailer 5€1,845 EUR
Retailer 3€2,035 EUR
Retailer 7€2,269 EUR
NZ Jewellers€4,301 EUR

8 data points across 8 retailers

5 retailers€1,764 EUR to €4,301 EUR

Retailer 1
-
€1,764 EUR
Price last confirmed 8 days ago
B+
Retailer 2
-
€1,764 EUR
View
B+
Retailer 3
-
€1,845 EUR
View
B+
Retailer 4
-
€2,035 EUR
View
Most Expensive
C
NZ Jewellers
a678c076-236a-47eb-8e11-390cb2cef396 · Nov 5
€4,301 EUR
$4,802 USD
View
4 more retailers have this diamond
Prices start from €1,764 EURSave up to €2,537 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+
1.51ct Oval
€1,764 EUR