Round|Natural|GIA

1.31ct M SI2 Round Natural Diamond

VG • M/SI2 • GIA 6372528755

Certificate GIA 6372528755

Diamond specifications and retailer prices

From €1,357 EUR
As of November 1, 2026
Save €2,554 EUR (65%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,911 EUR at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6372528755. Listed at 11 retailers as of November 1, 2026, with prices from €1,357 to €3,911, a €2,554 spread on the same certified stone. NZ Jewellers lists it at €3,911. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.31
Carat
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6372528755
Dimensions6.86 × 6.79 × 4.39 mm
L/W Ratio1.01
Top View
6.86 mm6.79 mm1.31 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6372528755
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 64.3%

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 1
Current: €3,911 EUR|Low: €1,334 EUR|High: €3,911 EUR|Avg: €1,893 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5€1,357 EUR
Retailer 11€1,461 EUR
Retailer 2€1,597 EUR
Retailer 6€1,604 EUR
Retailer 8€1,604 EUR
Retailer 7€1,678 EUR
Retailer 10€1,725 EUR
Retailer 3€1,746 EUR
Retailer 9€1,851 EUR
Retailer 4€2,173 EUR
NZ Jewellers€3,911 EUR

32 data points across 11 retailers

11 retailers€1,357 EUR to €3,911 EUR

B+
Cheapest Retailer
-
€1,357 EUR
B+
Retailer 2
-
€1,461 EUR
View
B+
Retailer 3
-
€1,597 EUR
View
B+
Retailer 4
-
€1,604 EUR
View
Retailer 5
-
€1,604 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€1,678 EUR
View
B+
Retailer 7
-
€1,725 EUR
View
B+
Retailer 8
-
€1,746 EUR
View
B+
Retailer 9
-
€1,851 EUR
View
B
Retailer 10
-
€2,173 EUR
View
Most Expensive
C
NZ Jewellers
acaf5e79-1f5f-407d-b1d3-eacab6ed86dc · Nov 5
€3,911 EUR
$4,390 USD
View
10 more retailers have this diamond
Prices start from €1,357 EURSave up to €2,554 EUR

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
€1,357 EUR