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1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 5563656266

Certificate GIA 5563656266

Diamond specifications and retailer prices

From $2,322 USD
As of November 6, 2026
Save $81 USD (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,403 USD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 5563656266. Listed at 3 retailers as of November 6, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563656266
Dimensions6.96 × 6.92 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.96 mm6.92 mm1.31 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563656266
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°CuletDepth 62.4%

Caratlytics Score

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

Last verified: Nov 6
Current: $2,403 USD|Low: $2,321 USD|High: $2,403 USD|Avg: $2,367 USD
Frank Darling
Retailer 2
Retailer 3
November 6, 2026
Retailer 2$2,322 USD
Retailer 3$2,385 USD
Frank Darling$2,403 USD

2 data points across 3 retailers

3 retailers$2,322 USD to $2,403 USD

B+
Cheapest Retailer
-
$2,322 USD
B
Retailer 2
-
$2,385 USD
View
Most Expensive
B
Frank Darling
ZSMIB041DD · Nov 6
$2,403 USD
View
2 more retailers have this diamond
Prices start from $2,322 USDSave up to $81 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
$2,322 USD