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Round|Natural|IGI

1.23ct I I1 Round Natural Diamond

VG • I/I1 • IGI 375955860

Shape and cutting style on the report: Round brilliant

Certificate IGI 375955860

Diamond specifications and retailer prices

From $2,841 USD
As of November 1, 2026
Save $863 USD (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,704 USD at Yorxs · As of November 3, 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 IGI 375955860. Listed at 3 retailers as of November 1, 2026, with prices from $2,841 to $3,704, a $863 spread on the same certified stone. Yorxs lists it at $3,704. 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 angle34.8°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 375955860
Dimensions6.77 × 6.83 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.77 mm6.83 mm1.23 ctI / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 375955860
Side View
Table 60.5%Crown 34.8°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $3,172 USD|Low: $2,772 USD|High: $3,714 USD|Avg: $3,358 USD
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 3, 2026
Retailer 2$2,841 USD
Retailer 1$3,172 USD
Retailer 3$3,683 USD
Yorxs$3,704 USD

23 data points across 4 retailers

3 retailers$2,841 USD to $3,704 USD

B
Cheapest Retailer
-
$2,841 USD
B
Retailer 2
-
$3,172 USD
View
Most Expensive
C
Yorxs
550512B01 · Nov 3
$3,704 USD
€3,528 EUR
View
2 more retailers have this diamond
Prices start from $2,841 USDSave up to $863 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
$2,841 USD