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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 $1,102 AUD
$772 USD
As of November 2, 2026
Save $2,380 AUD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,482 AUD 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 $1,102 to $3,482, a $2,380 spread on the same certified stone. NZ Jewellers lists it at $3,482. 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: $3,482 AUD|Low: $1,102 AUD|High: $3,567 AUD|Avg: $1,572 AUD|-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$1,102 AUD
Retailer 8$1,109 AUD
Retailer 12$1,112 AUD
Retailer 9$1,120 AUD
Retailer 2$1,152 AUD
Retailer 7$1,224 AUD
Retailer 6$1,569 AUD
Retailer 10$1,642 AUD
Retailer 3$1,662 AUD
Retailer 11$1,719 AUD
Retailer 5$2,030 AUD
NZ Jewellers$3,482 AUD

27 data points across 12 retailers

12 retailers$1,102 AUD to $3,482 AUD

A
Cheapest Retailer
-
$1,102 AUD
$772 USD
Final sale: no returns
A
Retailer 2
-
$1,109 AUD
$777 USD
View
A
Retailer 3
-
$1,112 AUD
$779 USD
View
A
Retailer 4
-
$1,120 AUD
$785 USD
View
A
Retailer 5
-
$1,152 AUD
$807 USD
View
A
Retailer 6
-
$1,224 AUD
£676 GBP
View
B+
Retailer 7
-
$1,569 AUD
€1,047 EUR
View
B+
Retailer 8
-
$1,642 AUD
ZAR 18,591 ZAR
View
B+
Retailer 9
-
$1,662 AUD
$1,165 USD
View
B+
Retailer 10
-
$1,719 AUD
$1,205 USD
View
B+
Retailer 11
-
$2,030 AUD
£1,120 GBP
View
Most Expensive
B
NZ Jewellers
c51bc1c4-ea6e-4629-8009-bd954770d77c · Oct 30
$3,482 AUD
$2,440 USD
View
11 more retailers have this diamond
Prices start from $1,102 AUDSave up to $2,380 AUD

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
$1,102 AUD