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Oval|Natural|GIA

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2557796851

Certificate GIA 2557796851

Diamond specifications and retailer prices

From €3,162 EUR
HK$27,600 HKD
As of November 1, 2026
Save €4,485 EUR (59%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,647 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded I 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 2557796851. Listed at 10 retailers as of October 30, 2026, with prices from €3,162 to €7,647, a €4,485 spread on the same certified stone. NZ Jewellers lists it at €7,647. 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

1.50
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.73°
OriginNatural
Grading LabGIA
CertificateGIA 2557796851
Dimensions8.80 × 6.25 × 4.03 mm
L/W Ratio1.41
Key to symbols
Crystal, Feather, Needle
Top View
8.80 mm6.25 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557796851
Side View
Table 56.0%CrownGirdle: STK-THKPavilion 35.73°Culet: NoneDepth 64.4%

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: €7,647 EUR|Low: €3,162 EUR|High: €8,014 EUR|Avg: €4,954 EUR|-4.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2€3,162 EUR
Retailer 3€3,645 EUR
Retailer 5€3,868 EUR
Retailer 9€4,097 EUR
Retailer 4€4,309 EUR
Retailer 8€4,390 EUR
Retailer 10€4,671 EUR
Retailer 6€4,985 EUR
Retailer 7€7,029 EUR
NZ Jewellers€7,647 EUR

41 data points across 10 retailers

10 retailers€3,162 EUR to €7,647 EUR

A
Cheapest Retailer
-
€3,162 EUR
HK$27,600 HKD
A
Retailer 2
-
€3,645 EUR
View
A
Retailer 3
-
€3,868 EUR
$4,321 USD
View
A
Retailer 4
-
€4,097 EUR
SGD 6,185 SGD
View
A
Retailer 5
-
€4,309 EUR
$4,814 USD
View
A
Retailer 6
-
€4,390 EUR
$4,904 USD
View
B+
Retailer 7
-
€4,671 EUR
A$8,028 AUD
View
B+
Retailer 8
-
€4,985 EUR
View
B+
Retailer 9
-
€7,029 EUR
£6,183 GBP
View
Most Expensive
B
NZ Jewellers
565532c0-953b-4f2d-aed4-fc30a2b45f0d · Oct 30
€7,647 EUR
$8,543 USD
View
9 more retailers have this diamond
Prices start from €3,162 EURSave up to €4,485 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
1.50ct Oval
€3,162 EUR