Round|Natural|GIA

0.85ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1242003801

Certificate GIA 1242003801

Diamond specifications and retailer prices

From $722 USD
As of November 5, 2026
Save $732 USD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,454 USD 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 $722 to $1,454, a $732 spread on the same certified stone. Allurez lists it at $1,454. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,454 USD|Low: $722 USD|High: $1,454 USD|Avg: $973 USD
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$722 USD
Retailer 10$733 USD
Retailer 6$790 USD
Retailer 3$798 USD
Retailer 8$816 USD
Retailer 2$879 USD
Retailer 12$924 USD
Retailer 9$1,047 USD
Retailer 7$1,063 USD
Retailer 11$1,198 USD
Retailer 4$1,214 USD
Allurez$1,454 USD

40 data points across 12 retailers

13 retailers$722 USD to $1,454 USD

A
Cheapest Retailer
-
$722 USD
A
Retailer 2
-
$733 USD
View
A
Retailer 3
-
$790 USD
View
A
Retailer 4
-
$798 USD
View
A
Retailer 5
-
$816 USD
View
A
Retailer 6
-
$879 USD
View
A
Retailer 7
-
$924 USD
View
B+
Retailer 8
-
$1,006 USD
View
A
Retailer 9
-
$1,047 USD
View
A
Retailer 10
-
$1,063 USD
View
B+
Retailer 11
-
$1,198 USD
View
B+
Retailer 12
-
$1,214 USD
View
Most Expensive
B
Allurez
4179466 · Nov 5
$1,454 USD
View
12 more retailers have this diamond
Prices start from $722 USDSave up to $732 USD

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
$722 USD