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Heart|Natural|IGI

1.21ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 623456956

Shape and cutting style on the report: Heart brilliant

Certificate IGI 623456956

Diamond specifications and retailer prices

From $5,657 NZD
As of November 6, 2026
Save $1,112 NZD (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,769 NZD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 623456956. Listed at 2 retailers as of November 6, 2026, with prices from $5,657 to $6,769, a $1,112 spread on the same certified stone. Yorxs lists it at $6,769. 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
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle37.7°
OriginNatural
Grading LabIGI
CertificateIGI 623456956
Dimensions6.68 × 7.33 × 4.21 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Top View
6.68 mm7.33 mm1.21 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 623456956
Side View
Table 57.0%Crown 35°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 57.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $5,657 NZD|Low: $5,657 NZD|High: $6,794 NZD|Avg: $6,195 NZD
Retailer 1
Yorxs
November 6, 2026
Retailer 1$5,657 NZD
Yorxs$6,769 NZD

19 data points across 2 retailers

2 retailers$5,657 NZD to $6,769 NZD

B
Cheapest Retailer
-
$5,657 NZD
Most Expensive
B
Yorxs
st272 · Nov 6
$6,769 NZD
€3,574 EUR
View
1 more retailer has this diamond
Prices start from $5,657 NZDSave up to $1,112 NZD

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 Heart
$5,657 NZD