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Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 1555356497

Certificate GIA 1555356497

Diamond specifications and retailer prices

From €1,994 EUR
HK$17,400 HKD
As of November 1, 2026
Save €3,373 EUR (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,367 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555356497. Listed at 12 retailers as of October 30, 2026, with prices from €1,994 to €5,367, a €3,373 spread on the same certified stone. NZ Jewellers lists it at €5,367. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555356497
Dimensions9.57 × 6.34 × 3.99 mm
L/W Ratio1.51
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.57 mm6.34 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555356497
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.9%

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 1
Current: €5,367 EUR|Low: €1,971 EUR|High: €5,446 EUR|Avg: €2,921 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
November 1, 2026
Retailer 7€1,994 EUR
Retailer 2€2,038 EUR
Retailer 11€2,370 EUR
Retailer 5€2,504 EUR
Retailer 4€2,522 EUR
Retailer 10€2,567 EUR
Retailer 9€2,666 EUR
Retailer 12€2,765 EUR
Retailer 3€2,771 EUR
Retailer 8€2,962 EUR
Retailer 6€4,294 EUR
NZ Jewellers€5,367 EUR

34 data points across 12 retailers

12 retailers€1,994 EUR to €5,367 EUR

A
Cheapest Retailer
-
€1,994 EUR
HK$17,400 HKD
A
Retailer 2
-
€2,038 EUR
₹216,797 INR
View
A
Retailer 3
-
€2,370 EUR
$2,648 USD
View
Final sale: no returns
A
Retailer 4
-
€2,504 EUR
£2,203 GBP
View
A
Retailer 5
-
€2,522 EUR
$2,818 USD
View
A
Retailer 6
-
€2,567 EUR
$2,868 USD
View
A
Retailer 7
-
€2,666 EUR
$2,979 USD
View
A
Retailer 8
-
€2,765 EUR
$3,089 USD
View
A
Retailer 9
-
€2,771 EUR
SGD 4,184 SGD
View
A
Retailer 10
-
€2,962 EUR
$3,309 USD
View
A
Retailer 11
-
€4,294 EUR
£3,777 GBP
View
Most Expensive
B+
NZ Jewellers
df3f3558-a934-4f9b-8a24-f837e4552cf4 · Oct 30
€5,367 EUR
$5,996 USD
View
11 more retailers have this diamond
Prices start from €1,994 EURSave up to €3,373 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
€1,994 EUR