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Round|Natural|GIA

0.85ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1545677920

Certificate GIA 1545677920

Diamond specifications and retailer prices

From $1,411 CAD
$1,010 USD
As of October 26, 2026
Save $1,229 CAD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,350 CAD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 0.85ct natural round diamond

This 0.85ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1545677920. Listed at 9 retailers as of October 26, 2026, with a 87% 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

0.85
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1545677920
Dimensions6.10 × 6.13 × 3.74 mm
L/W Ratio1.00
Star length50%
Culet sizeNone
Key to symbols
Cloud
Top View
6.10 mm6.13 mm0.85 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545677920
Side View
Table 55.0%Crown 33°GirdlePavilion 41°Culet: NoneDepth 61.1%

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: Oct 26
Current: $1,672 CAD|Low: $1,411 CAD|High: $2,640 CAD|Avg: $1,868 CAD|+9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$1,411 CAD
Retailer 1$1,672 CAD
Retailer 5$2,000 CAD
Retailer 3$2,009 CAD
Retailer 2$2,640 CAD

43 data points across 5 retailers

9 retailers$1,411 CAD to $2,640 CAD

Retailer 1
-
$1,387 CAD
$993 USD
Price last confirmed 22 days ago
Retailer 2
-
$1,387 CAD
$993 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$1,411 CAD
$1,010 USD
View
Retailer 4
-
$1,440 CAD
$1,031 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$1,601 CAD
$1,146 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$1,672 CAD
£942 GBP
View
B+
Retailer 7
-
$2,009 CAD
€1,370 EUR
View
B
Retailer 8
-
$2,640 CAD
£1,488 GBP
View
Most Expensive
NZ Jewellers
b8d6b326-115d-4120-948f-dc6b4a64bcb4 · Sep 26
$4,350 CAD
$3,114 USD
View
Price last confirmed 33 days ago
8 more retailers have this diamond
Prices start from $1,411 CADSave up to $1,229 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
0.85ct Round
$1,411 CAD