CaratHunter
Plans
Heart|Natural|GIA

0.86ct I SI1 Heart Natural Diamond

I/SI1 • GIA 3555206051

Certificate GIA 3555206051

Diamond specifications and retailer prices

From $1,318 AUD
$924 USD
As of November 2, 2026
Save $3,159 AUD (71%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,478 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.86ct natural heart diamond

This 0.86ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 3555206051. Listed at 3 retailers as of October 30, 2026, with prices from $1,318 to $4,478, a $3,159 spread on the same certified stone. NZ Jewellers lists it at $4,478. 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

0.86
Carat
I
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555206051
Dimensions5.60 × 6.68 × 3.73 mm
L/W Ratio1.19
Key to symbols
Twinning Wisp, Feather
Top View
5.60 mm6.68 mm0.86 ctI / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555206051
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.9%

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: $4,478 AUD|Low: $1,164 AUD|High: $4,478 AUD|Avg: $2,661 AUD|+9.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$1,318 AUD
Retailer 4$2,517 AUD
Retailer 2$2,615 AUD
NZ Jewellers$4,478 AUD

18 data points across 4 retailers

3 retailers$1,318 AUD to $4,478 AUD

B+
Cheapest Retailer
-
$1,318 AUD
$924 USD
Final sale: no returns
B
Retailer 2
-
$2,615 AUD
£1,443 GBP
View
Most Expensive
C
NZ Jewellers
5fb45055-fbe6-4597-b94c-ccd0e0fa1c7d · Oct 30
$4,478 AUD
$3,138 USD
View
2 more retailers have this diamond
Prices start from $1,318 AUDSave up to $3,159 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.

B+
0.86ct Heart
$1,318 AUD