Round|Natural|GIA

0.86ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6521840901

Certificate GIA 6521840901

Diamond specifications and retailer prices

From $1,145 CAD
As of November 4, 2026
Save $1,451 CAD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,409 CAD at NZ Jewellers · As of September 28, 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 6521840901. Listed at 9 retailers as of November 4, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6521840901
Dimensions6.07 × 6.05 × 3.79 mm
L/W Ratio1.00
Star length50%
Top View
6.07 mm6.05 mm0.86 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6521840901
Side View
Table 57.0%Crown 36°Girdle: ThickPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,873 CAD|Low: $1,145 CAD|High: $2,612 CAD|Avg: $1,718 CAD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$1,145 CAD
Retailer 6$1,222 CAD
Retailer 5$1,274 CAD
Retailer 1$1,873 CAD
Retailer 2$1,980 CAD
Retailer 7$1,989 CAD
Retailer 3$2,596 CAD

35 data points across 7 retailers

9 retailers$1,145 CAD to $2,596 CAD

A
Cheapest Retailer
-
$1,145 CAD
A
Retailer 2
-
$1,222 CAD
View
Retailer 3
-
$1,274 CAD
View
Price last confirmed 28 days ago
Retailer 4
-
$1,323 CAD
View
Price last confirmed 38 days ago
Retailer 5
-
$1,469 CAD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$1,873 CAD
View
B+
Retailer 7
-
$1,980 CAD
View
B
Retailer 8
-
$2,596 CAD
View
Most Expensive
NZ Jewellers
00154141-d021-4db4-8d6e-f4477753c3a0 · Sep 28
$4,409 CAD
$3,157 USD
View
Price last confirmed 39 days ago
8 more retailers have this diamond
Prices start from $1,145 CADSave up to $1,451 CAD

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
$1,145 CAD