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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6535853653

Certificate GIA 6535853653

Diamond specifications and retailer prices

From €3,226 EUR
$3,604 USD
As of October 31, 2026
Save €3,481 EUR (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,707 EUR at NZ Jewellers · As of October 30, 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 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 6535853653. Listed at 21 retailers as of October 30, 2026, with prices from €3,226 to €6,707, a €3,481 spread on the same certified stone. NZ Jewellers lists it at €6,707. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.58°
OriginNatural
Grading LabGIA
CertificateGIA 6535853653
Dimensions9.12 × 6.46 × 4.07 mm
L/W Ratio1.41
Top View
9.12 mm6.46 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535853653
Side View
Table 60.0%Crown 35.58°Girdle: SLI-THKPavilionCulet: NoneDepth 63.0%

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: Oct 31
Current: €6,707 EUR|Low: €3,113 EUR|High: €6,707 EUR|Avg: €4,218 EUR
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 11€3,226 EUR
Retailer 7€3,387 EUR
Retailer 14€3,442 EUR
Retailer 3€3,510 EUR
Retailer 8€3,554 EUR
Retailer 9€3,652 EUR
Retailer 2€3,704 EUR
Retailer 17€3,850 EUR
Retailer 18€3,850 EUR
Retailer 19€3,850 EUR
Retailer 13€3,906 EUR
Retailer 6€3,983 EUR
Retailer 10€3,992 EUR
Retailer 4€4,072 EUR
Retailer 12€4,355 EUR
Retailer 5€4,442 EUR
Retailer 16€4,732 EUR
Retailer 15€6,132 EUR
NZ Jewellers€6,707 EUR

24 data points across 19 retailers

21 retailers€3,226 EUR to €6,707 EUR

A
Cheapest Retailer
-
€3,226 EUR
$3,604 USD
A
Retailer 2
-
€3,387 EUR
$3,784 USD
View
A
Retailer 3
-
€3,442 EUR
$3,845 USD
View
A
Retailer 4
-
€3,510 EUR
$3,921 USD
View
A
Retailer 5
-
€3,554 EUR
$3,970 USD
View
Final sale: no returns
A
Retailer 6
-
€3,652 EUR
$4,080 USD
View
A
Retailer 7
-
€3,704 EUR
£3,258 GBP
View
B+
Retailer 8
-
€3,850 EUR
$4,301 USD
View
B+
Retailer 9
-
€3,850 EUR
$4,301 USD
View
B+
Retailer 10
-
€3,850 EUR
$4,301 USD
View
B+
Retailer 11
-
€3,906 EUR
£3,436 GBP
View
B+
Retailer 12
-
€3,983 EUR
$4,449 USD
View
B+
Retailer 13
-
€3,992 EUR
$4,460 USD
View
B+
Retailer 14
-
€4,072 EUR
$4,549 USD
View
Retailer 15
-
€4,177 EUR
A$7,180 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
€4,355 EUR
View
B+
Retailer 17
-
€4,442 EUR
$4,963 USD
View
B+
Retailer 18
-
€4,732 EUR
ZAR 85,406 ZAR
View
B
Retailer 19
-
€6,132 EUR
£5,394 GBP
View
Retailer 20
-
€6,365 EUR
$7,111 USD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
9d590c74-603f-4327-ba15-8433d252e1d6 · Oct 30
€6,707 EUR
$7,493 USD
View
20 more retailers have this diamond
Prices start from €3,226 EURSave up to €3,481 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
€3,226 EUR