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Oval|Natural|GIA

1.28ct M SI1 Oval Natural Diamond

ID • M/SI1 • GIA 6445428290

Certificate GIA 6445428290

Diamond specifications and retailer prices

From €1,204 EUR
As of November 6, 2026
Save €2,770 EUR (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,974 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural oval diamond

This 1.28ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6445428290. Listed at 12 retailers as of November 5, 2026, with prices from €1,204 to €3,974, a €2,770 spread on the same certified stone. NZ Jewellers lists it at €3,974. 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

1.28
Carat
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6445428290
Dimensions8.30 × 5.71 × 3.95 mm
L/W Ratio1.45
Top View
8.30 mm5.71 mm1.28 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6445428290
Side View
Table 56.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €3,974 EUR|Low: €1,192 EUR|High: €4,030 EUR|Avg: €1,885 EUR|-1.4%
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 7€1,204 EUR
Retailer 3€1,488 EUR
Retailer 5€1,598 EUR
Retailer 8€1,629 EUR
Retailer 11€1,629 EUR
Retailer 4€1,652 EUR
Retailer 9€1,679 EUR
Retailer 13€1,704 EUR
Retailer 10€1,752 EUR
Retailer 12€1,880 EUR
Retailer 6€1,988 EUR
Retailer 2€2,212 EUR
NZ Jewellers€3,974 EUR

32 data points across 13 retailers

12 retailers€1,204 EUR to €3,974 EUR

A
Cheapest Retailer
-
€1,204 EUR
A
Retailer 2
-
€1,488 EUR
View
Retailer 3
-
€1,629 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€1,629 EUR
View
B+
Retailer 5
-
€1,652 EUR
View
B+
Retailer 6
-
€1,679 EUR
View
B+
Retailer 7
-
€1,704 EUR
View
B+
Retailer 8
-
€1,752 EUR
View
B+
Retailer 9
-
€1,880 EUR
View
B+
Retailer 10
-
€1,988 EUR
View
B
Retailer 11
-
€2,212 EUR
View
Most Expensive
B
NZ Jewellers
0aa3f585-1d3d-4c76-8aa9-2cace6c3caa2 · Nov 5
€3,974 EUR
$4,437 USD
View
11 more retailers have this diamond
Prices start from €1,204 EURSave up to €2,770 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
1.28ct Oval
€1,204 EUR