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Round|Natural|GIA

1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2546013328

Certificate GIA 2546013328

Diamond specifications and retailer prices

From $3,036 AUD
As of November 5, 2026
Save $1,031 AUD (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,265 AUD at NZ Jewellers · As of September 26, 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 2546013328. Listed at 9 retailers as of November 5, 2026, with a 34% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2546013328
Dimensions6.97 × 6.92 × 4.36 mm
L/W Ratio1.01
Star length50%
Top View
6.97 mm6.92 mm1.31 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2546013328
Side View
Table 56.0%Crown 36.5°GirdlePavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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 5
Current: $3,237 AUD|Low: $3,036 AUD|High: $4,104 AUD|Avg: $3,492 AUD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$3,036 AUD
Retailer 1$3,237 AUD
Retailer 2$3,657 AUD
Retailer 3$4,067 AUD

43 data points across 4 retailers

9 retailers$3,036 AUD to $4,067 AUD

Retailer 1
-
$2,997 AUD
Price last confirmed 29 days ago
Retailer 2
-
$2,997 AUD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
$3,036 AUD
View
Retailer 4
-
$3,136 AUD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$3,237 AUD
View
Retailer 6
-
$3,458 AUD
View
Price last confirmed 38 days ago
B
Retailer 7
-
$3,657 AUD
View
B
Retailer 8
-
$4,067 AUD
View
Most Expensive
NZ Jewellers
cf58f033-7f03-47e2-a0d9-f58678311cf1 · Sep 26
$6,265 AUD
$4,386 USD
View
Price last confirmed 40 days ago
8 more retailers have this diamond
Prices start from $3,036 AUDSave up to $1,031 AUD

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
$3,036 AUD