Round|Natural|GIA

1.31ct E IF Round Natural Diamond

EX • E/IF • GIA 6541520603

Certificate GIA 6541520603

Diamond specifications and retailer prices

From $17,258 CAD
As of October 22, 2026
Save $8,636 CAD (33%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,698 CAD at MOH London · As of October 21, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6541520603. Listed at 11 retailers as of October 22, 2026, with a 50% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6541520603
Dimensions6.92 × 6.96 × 4.34 mm
L/W Ratio1.01
Top View
6.92 mm6.96 mm1.31 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541520603
Side View
Table 56.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.6%

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 22
Current: $28,698 CAD|Low: $16,753 CAD|High: $28,890 CAD|Avg: $21,807 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 24, 2026
Retailer 7$17,258 CAD
Retailer 5$17,515 CAD
Retailer 6$19,778 CAD
Retailer 3$19,894 CAD
Retailer 8$19,925 CAD
Retailer 9$22,139 CAD
Retailer 2$22,898 CAD
Retailer 4$25,894 CAD
MOH London$28,698 CAD

39 data points across 9 retailers

11 retailers$17,258 CAD to $25,894 CAD

A
Cheapest Retailer
-
$17,258 CAD
A
Retailer 2
-
$19,778 CAD
$14,131 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$19,894 CAD
£11,192 GBP
View
A
Retailer 4
-
$19,925 CAD
$14,236 USD
View
A
Retailer 5
-
$21,106 CAD
$15,080 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$21,106 CAD
$15,080 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$21,806 CAD
$15,580 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$22,139 CAD
$15,818 USD
View
B+
Retailer 9
-
$22,898 CAD
€15,581 EUR
View
B+
Retailer 10
-
$25,894 CAD
$18,501 USD
View
Most Expensive
B+
MOH London
5CE57C728 · Oct 21
$28,698 CAD
£16,145 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from $17,258 CADSave up to $8,636 CAD

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
$17,258 CAD