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Round|Natural|GIA

1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1246029698

Certificate GIA 1246029698

Diamond specifications and retailer prices

From €3,794 EUR
As of November 6, 2026
Save €1,255 EUR (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,049 EUR at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246029698. Listed at 9 retailers as of November 5, 2026, with prices from €3,794 to €5,049, a €1,255 spread on the same certified stone. Yorxs lists it at €5,049. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1246029698
Dimensions6.83 × 6.88 × 4.23 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
6.83 mm6.88 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246029698
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 6
Current: €5,046 EUR|Low: €2,889 EUR|High: €5,112 EUR|Avg: €4,173 EUR|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Yorxs
November 5, 2026
Retailer 9€2,889 EUR
Retailer 3€3,188 EUR
Retailer 11€3,483 EUR
Retailer 2€3,680 EUR
Retailer 10€3,794 EUR
Retailer 4€4,050 EUR
Retailer 7€4,709 EUR
Retailer 5€4,846 EUR
Retailer 6€4,846 EUR
Retailer 8€5,007 EUR
Retailer 1€5,046 EUR
Yorxs€5,049 EUR

15 data points across 12 retailers

9 retailers€3,794 EUR to €5,049 EUR

Retailer 1
-
€2,889 EUR
Price last confirmed 50 days ago
B+
Retailer 2
-
€3,794 EUR
View
B+
Retailer 3
-
€4,050 EUR
View
B
Retailer 4
-
€4,709 EUR
View
B
Retailer 5
-
€4,846 EUR
View
B
Retailer 6
-
€4,846 EUR
View
B
Retailer 7
-
€5,007 EUR
View
B
Retailer 8
-
€5,046 EUR
View
Most Expensive
B
Yorxs
621997645 · Nov 5
€5,049 EUR
View
8 more retailers have this diamond
Prices start from €3,794 EURSave up to €1,255 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+
1.23ct Round
€3,794 EUR