Heart|Natural|IGI

0.85ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 734506963

Shape and cutting style on the report: Heart brilliant

Certificate IGI 734506963

Diamond specifications and retailer prices

From $1,372 NZD
$772 USD
As of November 2, 2026
Save $2,965 NZD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,337 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.85ct natural heart diamond

This 0.85ct 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 734506963. Listed at 12 retailers as of October 30, 2026, with prices from $1,372 to $4,337, a $2,965 spread on the same certified stone. NZ Jewellers lists it at $4,337. 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

0.85
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.1°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 734506963
Dimensions5.77 × 6.41 × 3.82 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Top View
5.77 mm6.41 mm0.85 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 734506963
Side View
Table 61.0%Crown 41.1°Girdle: STK-VTKPavilion 36.9°Culet: NoneDepth 59.6%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $4,337 NZD|Low: $1,372 NZD|High: $4,443 NZD|Avg: $1,951 NZD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$1,372 NZD
Retailer 6$1,381 NZD
Retailer 10$1,385 NZD
Retailer 7$1,395 NZD
Retailer 11$1,438 NZD
Retailer 5$1,525 NZD
Retailer 2$1,954 NZD
Retailer 8$2,045 NZD
Retailer 3$2,071 NZD
Retailer 9$2,142 NZD
Retailer 12$2,555 NZD
NZ Jewellers$4,337 NZD

27 data points across 12 retailers

12 retailers$1,372 NZD to $4,337 NZD

A
Cheapest Retailer
-
$1,372 NZD
$772 USD
Final sale: no returns
A
Retailer 2
-
$1,381 NZD
$777 USD
View
A
Retailer 3
-
$1,385 NZD
$779 USD
View
A
Retailer 4
-
$1,395 NZD
$785 USD
View
A
Retailer 5
-
$1,438 NZD
$809 USD
View
A
Retailer 6
-
$1,525 NZD
£676 GBP
View
B+
Retailer 7
-
$1,954 NZD
€1,047 EUR
View
B+
Retailer 8
-
$2,045 NZD
ZAR 18,591 ZAR
View
B+
Retailer 9
-
$2,071 NZD
$1,165 USD
View
B+
Retailer 10
-
$2,142 NZD
$1,205 USD
View
B+
Retailer 11
-
$2,555 NZD
£1,132 GBP
View
Most Expensive
B
NZ Jewellers
c51bc1c4-ea6e-4629-8009-bd954770d77c · Oct 30
$4,337 NZD
$2,440 USD
View
11 more retailers have this diamond
Prices start from $1,372 NZDSave up to $2,965 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.

A
0.85ct Heart
$1,372 NZD