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Round|Natural|GIA

1.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2564464466

Certificate GIA 2564464466

Diamond specifications and retailer prices

From €2,234 EUR
HK$19,500 HKD
As of October 31, 2026
Save €2,737 EUR (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,971 EUR at MOH London · As of October 29, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564464466. Listed at 14 retailers as of October 29, 2026, with prices from €2,234 to €4,971, a €2,737 spread on the same certified stone. MOH London lists it at €4,971. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564464466
Dimensions6.98 × 6.95 × 4.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.98 mm6.95 mm1.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564464466
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: €4,971 EUR|Low: €2,211 EUR|High: €5,004 EUR|Avg: €3,079 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 5€2,234 EUR
Retailer 11€2,235 EUR
Retailer 4€2,333 EUR
Retailer 6€2,734 EUR
Retailer 8€2,853 EUR
Retailer 9€2,956 EUR
Retailer 3€3,159 EUR
Retailer 10€3,408 EUR
Retailer 7€3,461 EUR
Retailer 2€3,634 EUR
MOH London€4,971 EUR

27 data points across 11 retailers

14 retailers€2,234 EUR to €4,971 EUR

A
Cheapest Retailer
-
€2,234 EUR
HK$19,500 HKD
A
Retailer 2
-
€2,235 EUR
SGD 3,374 SGD
View
A
Retailer 3
-
€2,333 EUR
₹248,283 INR
View
A
Retailer 4
-
€2,734 EUR
$3,055 USD
View
A
Retailer 5
-
€2,853 EUR
£2,510 GBP
View
A
Retailer 6
-
€2,956 EUR
$3,303 USD
View
Retailer 7
-
€2,956 EUR
$3,303 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
€2,981 EUR
$3,330 USD
View
A
Retailer 9
-
€3,086 EUR
$3,447 USD
View
A
Retailer 10
-
€3,100 EUR
SGD 4,680 SGD
View
Retailer 11
-
€3,159 EUR
A$5,429 AUD
View
Price last confirmed 24 days ago
B+
Retailer 12
-
€3,461 EUR
View
B+
Retailer 13
-
€3,634 EUR
ZAR 65,594 ZAR
View
Most Expensive
B
MOH London
E8304DD69 · Oct 29
€4,971 EUR
£4,373 GBP
View
13 more retailers have this diamond
Prices start from €2,234 EURSave up to €2,737 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
€2,234 EUR