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Oval|Natural|GIA

1.23ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 7558078140

Certificate GIA 7558078140

Diamond specifications and retailer prices

From €2,514 EUR
As of November 6, 2026
Save €2,231 EUR (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,745 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-carat band, graded G 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 7558078140. Listed at 6 retailers as of November 5, 2026, with prices from €2,514 to €4,745, a €2,231 spread on the same certified stone. NZ Jewellers lists it at €4,745. 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

1.23
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558078140
Dimensions8.44 × 5.85 × 3.79 mm
L/W Ratio1.44
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Indented Natural
Top View
8.44 mm5.85 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558078140
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.7%

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: €4,745 EUR|Low: €2,244 EUR|High: €5,465 EUR|Avg: €3,638 EUR|-13.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5€2,514 EUR
Retailer 4€2,644 EUR
Retailer 6€3,094 EUR
Retailer 2€3,188 EUR
Retailer 3€4,555 EUR
NZ Jewellers€4,745 EUR

27 data points across 6 retailers

6 retailers€2,514 EUR to €4,745 EUR

A
Cheapest Retailer
-
€2,514 EUR
Final sale: no returns
A
Retailer 2
-
€2,644 EUR
View
B+
Retailer 3
-
€3,094 EUR
View
B+
Retailer 4
-
€3,188 EUR
View
B
Retailer 5
-
€4,555 EUR
View
Most Expensive
B
NZ Jewellers
f6a33742-cd44-4298-8f85-7f137b23fb5f · Nov 5
€4,745 EUR
$5,298 USD
View
5 more retailers have this diamond
Prices start from €2,514 EURSave up to €2,231 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
1.23ct Oval
€2,514 EUR