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Round|Natural|GIA

1.23ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6561568555

Certificate GIA 6561568555

Diamond specifications and retailer prices

From $1,284 USD
As of November 4, 2026
Save $854 USD (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,138 USD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561568555. Listed at 8 retailers as of November 4, 2026, with prices from $1,284 to $2,138, a $854 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,138. 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
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561568555
Dimensions6.85 × 6.87 × 4.27 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.85 mm6.87 mm1.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561568555
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,761 USD|Low: $1,284 USD|High: $2,241 USD|Avg: $1,654 USD|-5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 4$1,284 USD
Retailer 5$1,305 USD
Retailer 2$1,369 USD
Retailer 7$1,373 USD
Retailer 6$1,697 USD
Retailer 3$1,720 USD
Retailer 1$1,761 USD
Wholesale Diamonds Direct$2,138 USD

11 data points across 8 retailers

8 retailers$1,284 USD to $2,138 USD

A
Cheapest Retailer
-
$1,284 USD
A
Retailer 2
-
$1,305 USD
View
A
Retailer 3
-
$1,369 USD
View
A
Retailer 4
-
$1,373 USD
View
A
Retailer 5
-
$1,697 USD
View
A
Retailer 6
-
$1,720 USD
View
A
Retailer 7
-
$1,761 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
650014124 · Nov 4
$2,138 USD
View
7 more retailers have this diamond
Prices start from $1,284 USDSave up to $854 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.

A
1.23ct Round
$1,284 USD