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1.24ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6435911787

Certificate GIA 6435911787

Diamond specifications and retailer prices

From $1,342 USD
As of November 5, 2026
Save $724 USD (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,066 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6435911787. Listed at 2 retailers as of October 31, 2026, with prices from $1,342 to $2,066, a $724 spread on the same certified stone. Blue Nile lists it at $2,066. 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

1.24
Carat
M
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435911787
Dimensions6.86 × 6.89 × 4.30 mm
L/W Ratio1.00
Top View
6.86 mm6.89 mm1.24 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6435911787
Side View
Table 55.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,066 USD|Low: $1,342 USD|High: $2,287 USD|Avg: $1,896 USD
Blue Nile
Retailer 2
Retailer 3
November 5, 2026
Retailer 2$1,342 USD
Blue Nile$2,066 USD
Retailer 3$2,274 USD

42 data points across 3 retailers

2 retailers$1,342 USD to $2,066 USD

A
Cheapest Retailer
-
$1,342 USD
Most Expensive
B
Blue Nile
15459916 · Oct 31
$2,066 USD
View
1 more retailer has this diamond
Prices start from $1,342 USDSave up to $724 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
1.24ct Round
$1,342 USD