Round|Natural|GIA

1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2417742295

Certificate GIA 2417742295

Diamond specifications and retailer prices

From $2,447 USD
As of November 5, 2026
1 retailer carries this diamond
Only listing: $2,447 USD at Blue Nile
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Blue Nile

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2417742295. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.31
Carat
L
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2417742295
Dimensions6.91 × 6.97 × 4.36 mm
L/W Ratio1.01
Top View
6.91 mm6.97 mm1.31 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2417742295
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $2,447 USD|Low: $2,129 USD|High: $3,091 USD|Avg: $2,490 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 26, 2026
Retailer 6$2,129 USD
Retailer 5$2,309 USD
Retailer 2$2,379 USD
Blue Nile$2,447 USD
Retailer 7$2,471 USD
Retailer 3$2,528 USD
Retailer 4$2,795 USD

40 data points across 7 retailers

1 retailer

B
Blue Nile
13932437 · Nov 5
$2,447 USD
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B
1.31ct Round
$2,447 USD