Round|Natural|GIA

1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2546013328

Certificate GIA 2546013328

Diamond specifications and retailer prices

From $3,780 NZD
As of November 5, 2026
Save $1,284 NZD (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,802 NZD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,031 NZD|Low: $3,780 NZD|High: $5,111 NZD|Avg: $4,348 NZD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$3,780 NZD
Retailer 1$4,031 NZD
Retailer 2$4,554 NZD
Retailer 3$5,065 NZD

43 data points across 4 retailers

9 retailers$3,780 NZD to $5,065 NZD

Retailer 1
-
$3,732 NZD
Price last confirmed 29 days ago
Retailer 2
-
$3,732 NZD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
$3,780 NZD
View
Retailer 4
-
$3,905 NZD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$4,031 NZD
View
Retailer 6
-
$4,307 NZD
View
Price last confirmed 38 days ago
B
Retailer 7
-
$4,554 NZD
View
B
Retailer 8
-
$5,065 NZD
View
Most Expensive
NZ Jewellers
cf58f033-7f03-47e2-a0d9-f58678311cf1 · Sep 26
$7,802 NZD
$4,386 USD
View
Price last confirmed 40 days ago
8 more retailers have this diamond
Prices start from $3,780 NZDSave up to $1,284 NZD

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
$3,780 NZD