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Round|Natural|GIA

0.85ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1242003801

Certificate GIA 1242003801

Diamond specifications and retailer prices

From $1,031 AUD
As of November 5, 2026
Save $1,045 AUD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,076 AUD at Allurez · As of November 5, 2026
View at Allurez

About this 0.85ct natural round diamond

This 0.85ct 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 1242003801. Listed at 13 retailers as of November 5, 2026, with prices from $1,031 to $2,076, a $1,045 spread on the same certified stone. Allurez lists it at $2,076. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242003801
Dimensions6.02 × 6.06 × 3.79 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.02 mm6.06 mm0.85 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242003801
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

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: Nov 5
Current: $2,076 AUD|Low: $1,031 AUD|High: $2,076 AUD|Avg: $1,389 AUD
Allurez
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 5$1,031 AUD
Retailer 10$1,047 AUD
Retailer 6$1,129 AUD
Retailer 3$1,140 AUD
Retailer 8$1,166 AUD
Retailer 2$1,256 AUD
Retailer 12$1,320 AUD
Retailer 9$1,496 AUD
Retailer 7$1,518 AUD
Retailer 11$1,711 AUD
Retailer 4$1,734 AUD
Allurez$2,076 AUD

40 data points across 12 retailers

13 retailers$1,031 AUD to $2,076 AUD

A
Cheapest Retailer
-
$1,031 AUD
A
Retailer 2
-
$1,047 AUD
View
A
Retailer 3
-
$1,129 AUD
View
A
Retailer 4
-
$1,140 AUD
View
A
Retailer 5
-
$1,166 AUD
View
A
Retailer 6
-
$1,256 AUD
View
A
Retailer 7
-
$1,320 AUD
View
B+
Retailer 8
-
$1,437 AUD
View
A
Retailer 9
-
$1,496 AUD
View
A
Retailer 10
-
$1,518 AUD
View
B+
Retailer 11
-
$1,711 AUD
View
B+
Retailer 12
-
$1,734 AUD
View
Most Expensive
B
Allurez
4179466 · Nov 5
$2,076 AUD
$1,454 USD
View
12 more retailers have this diamond
Prices start from $1,031 AUDSave up to $1,045 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
$1,031 AUD