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Oval|Natural|GIA

1.28ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2547009065

Certificate GIA 2547009065

Diamond specifications and retailer prices

From €2,723 EUR
As of November 4, 2026
Save €3,450 EUR (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €6,173 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547009065. Listed at 26 retailers as of November 4, 2026, with prices from €2,723 to €6,173, a €3,450 spread on the same certified stone. NZ Jewellers lists it at €6,173. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2547009065
Dimensions8.63 × 6.10 × 3.76 mm
L/W Ratio1.41
Top View
8.63 mm6.10 mm1.28 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2547009065
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.6%

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 4
Current: €6,173 EUR|Low: €2,561 EUR|High: €6,173 EUR|Avg: €3,942 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 11€2,740 EUR
Retailer 8€2,817 EUR
Retailer 3€3,210 EUR
Retailer 9€3,334 EUR
Retailer 10€3,432 EUR
Retailer 2€3,588 EUR
Retailer 7€3,795 EUR
Retailer 5€4,009 EUR
Retailer 4€4,324 EUR
Retailer 6€5,925 EUR
NZ Jewellers€6,173 EUR

43 data points across 11 retailers

26 retailers€2,723 EUR to €6,173 EUR

B+
Cheapest Retailer
-
€2,723 EUR
B+
Retailer 2
-
€2,740 EUR
View
B+
Retailer 3
-
€2,792 EUR
View
B+
Retailer 4
-
€2,817 EUR
View
Final sale: no returns
B+
Retailer 5
-
€2,850 EUR
View
B
Retailer 6
-
€3,015 EUR
View
B
Retailer 7
-
€3,050 EUR
View
B
Retailer 8
-
€3,086 EUR
View
Retailer 9
-
€3,210 EUR
View
Price last confirmed 9 days ago
B
Retailer 10
-
€3,210 EUR
View
B
Retailer 11
-
€3,334 EUR
View
B
Retailer 12
-
€3,432 EUR
View
B
Retailer 13
-
€3,491 EUR
View
B
Retailer 14
-
€3,491 EUR
View
B
Retailer 15
-
€3,588 EUR
View
B
Retailer 16
-
€3,627 EUR
View
B
Retailer 17
-
€3,627 EUR
View
B
Retailer 18
-
€3,704 EUR
View
B
Retailer 19
-
€3,753 EUR
View
Retailer 20
-
€3,795 EUR
View
Price last confirmed 30 days ago
B
Retailer 21
-
€4,009 EUR
View
B
Retailer 22
-
€4,166 EUR
View
B
Retailer 23
-
€4,324 EUR
View
B
Retailer 24
-
€5,120 EUR
View
B
Retailer 25
-
€5,925 EUR
View
Most Expensive
B
NZ Jewellers
9fc7498b-d657-424c-a631-b4c64e9afbe9 · Nov 5
€6,173 EUR
$6,892 USD
View
25 more retailers have this diamond
Prices start from €2,723 EURSave up to €3,450 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+
1.28ct Oval
€2,723 EUR