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0.81ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6562007121

Certificate GIA 6562007121

Diamond specifications and retailer prices

From $334 USD
As of November 5, 2026
Save $322 USD (49%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $656 USD at Yorxs · As of November 5, 2026
View at Yorxs

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562007121. Listed at 3 retailers as of November 5, 2026, with prices from $334 to $656, a $322 spread on the same certified stone. Yorxs lists it at $656. 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

0.81
Carat
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562007121
Dimensions5.91 × 5.95 × 3.72 mm
L/W Ratio1.01
Girdle conditionMedium to Slightly Thick
Key to symbols
Cloud
Top View
5.91 mm5.95 mm0.81 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562007121
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: $334 USD|Low: $334 USD|High: $778 USD|Avg: $489 USD|-14.1%
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 1$334 USD
Retailer 2$384 USD
Yorxs$656 USD

42 data points across 3 retailers

3 retailers$334 USD to $656 USD

A
Cheapest Retailer
-
$334 USD
A
Retailer 2
-
$384 USD
View
Most Expensive
B+
Yorxs
B150011804 · Nov 5
$656 USD
€625 EUR
View
2 more retailers have this diamond
Prices start from $334 USDSave up to $322 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
0.81ct Round
$334 USD