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Round|Natural|GIA

0.51ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7553393622

Certificate GIA 7553393622

Diamond specifications and retailer prices

From $887 CAD
$635 USD
As of October 27, 2026
Save $2,094 CAD (70%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,981 CAD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553393622. Listed at 24 retailers as of October 27, 2026, with prices from $887 to $2,981, a $2,094 spread on the same certified stone. NZ Jewellers lists it at $2,981. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7553393622
Dimensions5.08 × 5.10 × 3.21 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
5.08 mm5.10 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7553393622
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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 27
Current: $1,270 CAD|Low: $662 CAD|High: $2,221 CAD|Avg: $1,246 CAD|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 8$662 CAD
Retailer 10$928 CAD
Retailer 2$1,009 CAD
Retailer 4$1,125 CAD
Retailer 5$1,160 CAD
Retailer 3$1,237 CAD
Retailer 1$1,270 CAD
Retailer 9$1,429 CAD
Retailer 6$1,464 CAD
Retailer 7$2,207 CAD

35 data points across 10 retailers

24 retailers$887 CAD to $2,981 CAD

A
Cheapest Retailer
-
$887 CAD
$635 USD
A
Retailer 2
-
$897 CAD
$642 USD
View
A
Retailer 3
-
$928 CAD
$664 USD
View
A
Retailer 4
-
$928 CAD
$664 USD
View
B+
Retailer 5
-
$946 CAD
$677 USD
View
B+
Retailer 6
-
$993 CAD
$711 USD
View
B+
Retailer 7
-
$1,009 CAD
$722 USD
View
B+
Retailer 8
-
$1,016 CAD
$727 USD
View
B+
Retailer 9
-
$1,053 CAD
$754 USD
View
B+
Retailer 10
-
$1,090 CAD
$780 USD
View
B+
Retailer 11
-
$1,090 CAD
$780 USD
View
B+
Retailer 12
-
$1,125 CAD
$805 USD
View
B+
Retailer 13
-
$1,131 CAD
$810 USD
View
B+
Retailer 14
-
$1,138 CAD
$815 USD
View
B+
Retailer 15
-
$1,160 CAD
£654 GBP
View
B+
Retailer 16
-
$1,204 CAD
$862 USD
View
B+
Retailer 17
-
$1,237 CAD
£697 GBP
View
B+
Retailer 18
-
$1,270 CAD
€866 EUR
View
B+
Retailer 19
-
$1,324 CAD
$948 USD
View
Retailer 20
-
$1,429 CAD
A$1,574 AUD
View
Price last confirmed 27 days ago
B+
Retailer 21
-
$1,464 CAD
ZAR 16,926 ZAR
View
B
Retailer 22
-
$2,207 CAD
£1,244 GBP
View
B
Retailer 23
-
$2,730 CAD
View
Most Expensive
B
NZ Jewellers
345bfcde-ed97-42b4-ac88-7a1a1bb92407 · Oct 27
$2,981 CAD
$2,134 USD
View
23 more retailers have this diamond
Prices start from $887 CADSave up to $2,094 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
$887 CAD