Round|Natural|GIA

1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6552354747

Certificate GIA 6552354747

Diamond specifications and retailer prices

From $2,310 USD
As of November 4, 2026
Save $353 USD (13%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,035 USD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 6552354747. Listed at 7 retailers as of November 4, 2026, with a relatively tight 15% 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552354747
Dimensions6.95 × 7.00 × 4.34 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Twinning Wisp, Cloud, Needle
Top View
6.95 mm7.00 mm1.31 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552354747
Side View
Table 57.0%Crown 35.5°GirdlePavilion 40.8°CuletDepth 62.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,663 USD|Low: $2,310 USD|High: $2,846 USD|Avg: $2,491 USD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$2,310 USD
Retailer 2$2,314 USD
Retailer 5$2,340 USD
Retailer 4$2,365 USD
Retailer 6$2,408 USD
Retailer 1$2,663 USD
Retailer 7$2,846 USD

40 data points across 7 retailers

7 retailers$2,310 USD to $2,663 USD

B+
Cheapest Retailer
-
$2,310 USD
B+
Retailer 2
-
$2,314 USD
View
B+
Retailer 3
-
$2,340 USD
View
B+
Retailer 4
-
$2,365 USD
View
Retailer 5
-
$2,408 USD
View
Price last confirmed 41 days ago
B
Retailer 6
-
$2,663 USD
View
Most Expensive
NZ Jewellers
56f036bf-3f8a-41e2-a777-3fe6736f3900 · Sep 28
$5,035 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from $2,310 USDSave up to $353 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
$2,310 USD