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1.21ct H I1 Round Natural Diamond

GD • H/I1 • IGI 592329220

Shape and cutting style on the report: Round brilliant

Certificate IGI 592329220

Diamond specifications and retailer prices

From $1,926 USD
As of November 1, 2026
Save $789 USD (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,715 USD at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by IGI 592329220. Listed at 2 retailers as of November 1, 2026, with prices from $1,926 to $2,715, a $789 spread on the same certified stone. Yorxs lists it at $2,715. 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

1.21
Carat
H
Color
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 592329220
Dimensions6.73 × 6.93 × 4.04 mm
L/W Ratio1.03
Culet sizeNone
Top View
6.73 mm6.93 mm1.21 ctH / I1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 592329220
Side View
Table 69.0%Crown 33.7°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 59.0%

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 1
Current: $2,537 USD|Low: $1,926 USD|High: $2,734 USD|Avg: $2,387 USD
Retailer 1
Retailer 2
Yorxs
November 1, 2026
Retailer 2$1,926 USD
Retailer 1$2,537 USD
Yorxs$2,715 USD

21 data points across 3 retailers

2 retailers$1,926 USD to $2,715 USD

B+
Cheapest Retailer
-
$1,926 USD
Most Expensive
C
Yorxs
482072408 · Nov 1
$2,715 USD
€2,586 EUR
View
1 more retailer has this diamond
Prices start from $1,926 USDSave up to $789 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+
1.21ct Round
$1,926 USD