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Round|Natural|GIA

0.85ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6461680501

Certificate GIA 6461680501

Diamond specifications and retailer prices

From $1,798 AUD
$1,263 USD
As of October 31, 2026
Save $1,435 AUD (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,233 AUD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

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 6461680501. Listed at 5 retailers as of October 30, 2026, with prices from $1,798 to $3,233, a $1,435 spread on the same certified stone. 77 Diamonds lists it at $3,233. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6461680501
Dimensions6.04 × 5.99 × 3.70 mm
L/W Ratio1.01
Top View
6.04 mm5.99 mm0.85 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6461680501
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.7%

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 31
Current: $3,233 AUD|Low: $1,798 AUD|High: $3,254 AUD|Avg: $2,378 AUD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$1,798 AUD
Retailer 2$2,114 AUD
77 Diamonds$3,233 AUD

35 data points across 3 retailers

5 retailers$1,798 AUD to $3,233 AUD

A
Cheapest Retailer
-
$1,798 AUD
$1,263 USD
B+
Retailer 2
-
$2,016 AUD
$1,416 USD
View
B+
Retailer 3
-
$2,114 AUD
$1,485 USD
View
B+
Retailer 4
-
$2,163 AUD
$1,520 USD
View
Most Expensive
B
77 Diamonds
RBZA7TD6EJC · Oct 30
$3,233 AUD
£1,788 GBP
View
4 more retailers have this diamond
Prices start from $1,798 AUDSave up to $1,435 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 Round
$1,798 AUD