Round|Natural|GIA

0.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 7553746149

Certificate GIA 7553746149

Diamond specifications and retailer prices

From $940 CAD
As of November 4, 2026
Save $1,119 CAD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,531 CAD at NZ Jewellers · As of September 23, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553746149. Listed at 18 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553746149
Dimensions5.13 × 5.16 × 3.15 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.13 mm5.16 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553746149
Side View
Table 58.0%CrownGirdle: Med. - Sli. ThickPavilionCulet: NoneDepth 61.2%

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: Nov 4
Current: $1,419 CAD|Low: $862 CAD|High: $2,793 CAD|Avg: $1,539 CAD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 7$940 CAD
Retailer 8$1,001 CAD
Retailer 6$1,020 CAD
Retailer 3$1,334 CAD
Retailer 1$1,419 CAD
Retailer 2$1,578 CAD
Retailer 4$2,059 CAD
Retailer 5$2,783 CAD

42 data points across 8 retailers

18 retailers$940 CAD to $2,059 CAD

A
Cheapest Retailer
-
$940 CAD
Final sale: no returns
B+
Retailer 2
-
$1,001 CAD
View
Retailer 3
-
$1,020 CAD
View
Price last confirmed 8 days ago
Retailer 4
-
$1,020 CAD
View
Price last confirmed 29 days ago
Retailer 5
-
$1,020 CAD
View
Price last confirmed 60 days ago
Retailer 6
-
$1,059 CAD
View
Price last confirmed 15 days ago
Retailer 7
-
$1,059 CAD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$1,168 CAD
View
Retailer 9
-
$1,177 CAD
View
Price last confirmed 53 days ago
Retailer 10
-
$1,177 CAD
View
Price last confirmed 44 days ago
Retailer 11
-
$1,177 CAD
View
Price last confirmed 60 days ago
B+
Retailer 12
-
$1,334 CAD
View
B
Retailer 13
-
$1,419 CAD
View
B
Retailer 14
-
$1,578 CAD
View
B
Retailer 15
-
$2,059 CAD
View
Retailer 16
-
$2,783 CAD
View
Price last confirmed 9 days ago
Retailer 17
-
$3,531 CAD
View
Price under review
Most Expensive
NZ Jewellers
da7f7d1e-7845-44d1-a0cb-83f959df6e4b · Sep 23
$3,531 CAD
$2,528 USD
View
Price under review
17 more retailers have this diamond
Prices start from $940 CADSave up to $1,119 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
$940 CAD