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Round|Natural|GIA

1.23ct I I1 Round Natural Diamond

VG • I/I1 • GIA 6237395874

Certificate GIA 6237395874

Diamond specifications and retailer prices

From €2,558 EUR
$2,858 USD
As of October 31, 2026
Save €1,048 EUR (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,606 EUR at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6237395874. Listed at 7 retailers as of October 31, 2026, with prices from €2,558 to €3,606, a €1,048 spread on the same certified stone. Yorxs lists it at €3,606. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
I
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6237395874
Dimensions6.83 × 6.78 × 4.25 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.83 mm6.78 mm1.23 ctI / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6237395874
Side View
Table 55.0%Crown 32.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.4%

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: Oct 31
Current: €3,374 EUR|Low: €2,558 EUR|High: €3,862 EUR|Avg: €3,286 EUR|-6.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 1, 2026
Retailer 5€2,558 EUR
Retailer 4€2,587 EUR
Retailer 2€3,234 EUR
Retailer 1€3,374 EUR
Retailer 6€3,374 EUR
Retailer 3€3,482 EUR
Yorxs€3,606 EUR

26 data points across 7 retailers

7 retailers€2,558 EUR to €3,606 EUR

B+
Cheapest Retailer
-
€2,558 EUR
$2,858 USD
B+
Retailer 2
-
€2,587 EUR
$2,890 USD
View
B
Retailer 3
-
€3,234 EUR
$3,613 USD
View
B
Retailer 4
-
€3,374 EUR
$3,770 USD
View
C
Retailer 5
-
€3,374 EUR
$3,770 USD
View
C
Retailer 6
-
€3,482 EUR
$3,890 USD
View
Most Expensive
B
Yorxs
419998939 · Nov 1
€3,606 EUR
View
6 more retailers have this diamond
Prices start from €2,558 EURSave up to €1,048 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
€2,558 EUR