CaratHunter
Plans
Round|Natural|GIA

0.86ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6422446455

Certificate GIA 6422446455

Diamond specifications and retailer prices

From $1,189 AUD
As of November 6, 2026
Save $2,954 AUD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,143 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.86ct natural round diamond

This 0.86ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422446455. Listed at 13 retailers as of November 5, 2026, with prices from $1,189 to $4,143, a $2,954 spread on the same certified stone. NZ Jewellers lists it at $4,143. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.86
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6422446455
Dimensions6.14 × 6.11 × 3.77 mm
L/W Ratio1.00
Top View
6.14 mm6.11 mm0.86 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6422446455
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 61.6%

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 6
Current: $4,143 AUD|Low: $1,189 AUD|High: $4,143 AUD|Avg: $1,729 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 4$1,189 AUD
Retailer 5$1,209 AUD
Retailer 9$1,321 AUD
Retailer 11$1,321 AUD
Retailer 13$1,334 AUD
Retailer 10$1,371 AUD
Retailer 3$1,510 AUD
Retailer 6$1,513 AUD
Retailer 12$1,524 AUD
Retailer 2$1,743 AUD
Retailer 7$1,844 AUD
Retailer 8$2,420 AUD
NZ Jewellers$4,143 AUD

33 data points across 13 retailers

13 retailers$1,189 AUD to $4,143 AUD

A
Cheapest Retailer
-
$1,189 AUD
A
Retailer 2
-
$1,321 AUD
View
Retailer 3
-
$1,321 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,334 AUD
View
A
Retailer 5
-
$1,371 AUD
View
A
Retailer 6
-
$1,443 AUD
View
B+
Retailer 7
-
$1,510 AUD
View
A
Retailer 8
-
$1,513 AUD
View
A
Retailer 9
-
$1,524 AUD
View
B+
Retailer 10
-
$1,743 AUD
View
B+
Retailer 11
-
$1,844 AUD
View
B
Retailer 12
-
$2,420 AUD
View
Most Expensive
B
NZ Jewellers
9fbbe7ef-1357-42fa-9e42-3d311f5c0e20 · Nov 5
$4,143 AUD
$2,900 USD
View
12 more retailers have this diamond
Prices start from $1,189 AUDSave up to $2,954 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
0.86ct Round
$1,189 AUD