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1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6502813091

Certificate GIA 6502813091

Diamond specifications and retailer prices

From $2,021 USD
As of November 4, 2026
Save $795 USD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,816 USD at Yorxs · As of November 2, 2026
View at Yorxs

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 6502813091. Listed at 2 retailers as of November 2, 2026, with prices from $2,021 to $2,816, a $795 spread on the same certified stone. Yorxs lists it at $2,816. 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
FluorescenceMedium
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6502813091
Dimensions6.95 × 6.98 × 4.39 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.95 mm6.98 mm1.31 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6502813091
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $2,021 USD|Low: $1,683 USD|High: $2,829 USD|Avg: $2,368 USD|+20.1%
Retailer 1
Yorxs
November 2, 2026
Retailer 1$2,021 USD
Yorxs$2,816 USD

11 data points across 2 retailers

2 retailers$2,021 USD to $2,816 USD

B+
Cheapest Retailer
-
$2,021 USD
Final sale: no returns
Most Expensive
B
Yorxs
S-2034/6 · Nov 2
$2,816 USD
€2,682 EUR
View
1 more retailer has this diamond
Prices start from $2,021 USDSave up to $795 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.

B+
1.31ct Round
$2,021 USD