Round|Natural|GIA

1.31ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6405550989

Certificate GIA 6405550989

Diamond specifications and retailer prices

From €2,395 EUR
HK$20,900 HKD
As of October 31, 2026
Save €3,145 EUR (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,540 EUR at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6405550989. Listed at 9 retailers as of October 30, 2026, with prices from €2,395 to €5,540, a €3,145 spread on the same certified stone. NZ Jewellers lists it at €5,540. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6405550989
Dimensions6.90 × 6.96 × 4.38 mm
L/W Ratio1.01
Top View
6.90 mm6.96 mm1.31 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6405550989
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,540 EUR|Low: €2,372 EUR|High: €5,593 EUR|Avg: €3,400 EUR|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4€2,395 EUR
Retailer 3€2,494 EUR
Retailer 5€2,850 EUR
Retailer 8€3,047 EUR
Retailer 9€3,179 EUR
Retailer 6€3,302 EUR
Retailer 7€3,669 EUR
Retailer 2€3,705 EUR
NZ Jewellers€5,540 EUR

45 data points across 9 retailers

9 retailers€2,395 EUR to €5,540 EUR

A
Cheapest Retailer
-
€2,395 EUR
HK$20,900 HKD
A
Retailer 2
-
€2,494 EUR
₹265,380 INR
View
A
Retailer 3
-
€2,850 EUR
$3,184 USD
View
A
Retailer 4
-
€3,047 EUR
$3,404 USD
View
A
Retailer 5
-
€3,179 EUR
$3,552 USD
View
A
Retailer 6
-
€3,302 EUR
$3,689 USD
View
B+
Retailer 7
-
€3,669 EUR
$4,099 USD
View
B+
Retailer 8
-
€3,705 EUR
View
Most Expensive
B
NZ Jewellers
7a2de9f8-1d67-4326-ba3c-34f1b0d8ceee · Oct 30
€5,540 EUR
$6,189 USD
View
8 more retailers have this diamond
Prices start from €2,395 EURSave up to €3,145 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.

A
1.31ct Round
€2,395 EUR