Round|Natural|GIA

1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1246029698

Certificate GIA 1246029698

Diamond specifications and retailer prices

From $4,236 USD
As of November 6, 2026
Save $1,401 USD (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,637 USD 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 $4,236 to $5,637, a $1,401 spread on the same certified stone. Yorxs lists it at $5,637. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,634 USD|Low: $3,225 USD|High: $5,708 USD|Avg: $4,660 USD|-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$3,225 USD
Retailer 3$3,559 USD
Retailer 11$3,889 USD
Retailer 2$4,109 USD
Retailer 10$4,236 USD
Retailer 4$4,522 USD
Retailer 7$5,258 USD
Retailer 5$5,410 USD
Retailer 6$5,410 USD
Retailer 8$5,590 USD
Retailer 1$5,634 USD
Yorxs$5,637 USD

15 data points across 12 retailers

9 retailers$4,236 USD to $5,637 USD

Retailer 1
-
$3,225 USD
Price last confirmed 50 days ago
B+
Retailer 2
-
$4,236 USD
View
B+
Retailer 3
-
$4,522 USD
View
B
Retailer 4
-
$5,258 USD
View
B
Retailer 5
-
$5,410 USD
View
B
Retailer 6
-
$5,410 USD
View
B
Retailer 7
-
$5,590 USD
View
B
Retailer 8
-
$5,634 USD
View
Most Expensive
B
Yorxs
621997645 · Nov 5
$5,637 USD
€5,369 EUR
View
8 more retailers have this diamond
Prices start from $4,236 USDSave up to $1,401 USD

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
$4,236 USD