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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 €643 EUR
As of November 5, 2026
Save €652 EUR (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,295 EUR 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 €643 to €1,295, a €652 spread on the same certified stone. Allurez lists it at €1,295. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €1,295 EUR|Low: €643 EUR|High: €1,295 EUR|Avg: €867 EUR
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€643 EUR
Retailer 10€653 EUR
Retailer 6€704 EUR
Retailer 3€711 EUR
Retailer 8€727 EUR
Retailer 2€783 EUR
Retailer 12€823 EUR
Retailer 9€933 EUR
Retailer 7€947 EUR
Retailer 11€1,067 EUR
Retailer 4€1,082 EUR
Allurez€1,295 EUR

40 data points across 12 retailers

13 retailers€643 EUR to €1,295 EUR

A
Cheapest Retailer
-
€643 EUR
A
Retailer 2
-
€653 EUR
View
A
Retailer 3
-
€704 EUR
View
A
Retailer 4
-
€711 EUR
View
A
Retailer 5
-
€727 EUR
View
A
Retailer 6
-
€783 EUR
View
A
Retailer 7
-
€823 EUR
View
B+
Retailer 8
-
€896 EUR
View
A
Retailer 9
-
€933 EUR
View
A
Retailer 10
-
€947 EUR
View
B+
Retailer 11
-
€1,067 EUR
View
B+
Retailer 12
-
€1,082 EUR
View
Most Expensive
B
Allurez
4179466 · Nov 5
€1,295 EUR
$1,454 USD
View
12 more retailers have this diamond
Prices start from €643 EURSave up to €652 EUR

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
€643 EUR