Round|Natural|GIA

0.51ct E I1 Round Natural Diamond

EX • E/I1 • GIA 6522378676

Certificate GIA 6522378676

Diamond specifications and retailer prices

From $842 CAD
HK$4,700 HKD
As of October 29, 2026
Save $281 CAD (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,354 CAD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6522378676. Listed at 7 retailers as of October 29, 2026, with a 33% 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

0.51
Carat
E
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6522378676
Dimensions5.14 × 5.12 × 3.17 mm
L/W Ratio1.00
Top View
5.14 mm5.12 mm0.51 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6522378676
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 61.8%

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 29
Current: $1,123 CAD|Low: $824 CAD|High: $1,143 CAD|Avg: $971 CAD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 2$836 CAD
Retailer 3$842 CAD
Retailer 4$936 CAD
Retailer 1$1,123 CAD
Retailer 5$1,143 CAD

22 data points across 5 retailers

7 retailers$842 CAD to $1,123 CAD

A
Retailer 1
-
$750 CAD
$536 USD
Price last confirmed 21 days ago
B+
Retailer 2
-
$809 CAD
$578 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
$809 CAD
$578 USD
View
Price last confirmed 30 days ago
B+
Retailer 4
-
$842 CAD
HK$4,700 HKD
View
B+
Retailer 5
-
$866 CAD
$619 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$1,123 CAD
€764 EUR
View
Most Expensive
C
NZ Jewellers
cf73cbc8-8891-427b-9248-e48a1677b1fe · Sep 24
$2,354 CAD
$1,682 USD
View
Price last confirmed 35 days ago
6 more retailers have this diamond
Prices start from $842 CADSave up to $281 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
0.51ct Round
$842 CAD