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Heart|Natural|IGI

0.81ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 457054604

Shape and cutting style on the report: Heart brilliant

Certificate IGI 457054604

Diamond specifications and retailer prices

From $2,058 NZD
$1,158 USD
As of November 2, 2026
Save $1,264 NZD (38%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,323 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 457054604. Listed at 4 retailers as of November 2, 2026, with prices from $2,058 to $3,323, a $1,264 spread on the same certified stone. MOH London lists it at $3,323. 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

0.81
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 457054604
Dimensions5.90 × 6.32 × 3.48 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeSmall
Top View
5.90 mm6.32 mm0.81 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 457054604
Side View
Table 66.5%Crown 34.1°Girdle: THK-VTKPavilion 38.2°Culet: SmallDepth 55.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,323 NZD|Low: $2,026 NZD|High: $3,363 NZD|Avg: $2,508 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4$2,058 NZD
Retailer 2$2,184 NZD
Retailer 3$2,547 NZD
MOH London$3,323 NZD

43 data points across 4 retailers

4 retailers$2,058 NZD to $3,323 NZD

B+
Cheapest Retailer
-
$2,058 NZD
$1,158 USD
B+
Retailer 2
-
$2,184 NZD
£967 GBP
View
B
Retailer 3
-
$2,547 NZD
€1,365 EUR
View
Most Expensive
B
MOH London
7CCB6D255 · Nov 2
$3,323 NZD
£1,472 GBP
View
3 more retailers have this diamond
Prices start from $2,058 NZDSave up to $1,264 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+
0.81ct Heart
$2,058 NZD