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Radiant|Natural|GIA

0.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 1563729567

Certificate GIA 1563729567

Diamond specifications and retailer prices

From $546 CAD
$391 USD
As of October 31, 2026
Save $1,958 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,505 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563729567. Listed at 15 retailers as of October 30, 2026, with prices from $546 to $2,505, a $1,958 spread on the same certified stone. NZ Jewellers lists it at $2,505. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563729567
Dimensions5.67 × 3.94 × 2.61 mm
L/W Ratio1.44
Girdle conditionPolished
Key to symbols
Twinning Wisp
Top View
5.67 mm3.94 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563729567
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.3%

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: $2,505 CAD|Low: $546 CAD|High: $2,505 CAD|Avg: $997 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 14$546 CAD
Retailer 2$584 CAD
Retailer 4$662 CAD
Retailer 11$774 CAD
Retailer 13$775 CAD
Retailer 7$791 CAD
Retailer 6$869 CAD
Retailer 12$961 CAD
Retailer 8$970 CAD
Retailer 3$1,010 CAD
Retailer 9$1,062 CAD
Retailer 5$1,062 CAD
Retailer 10$1,826 CAD
NZ Jewellers$2,505 CAD

5 data points across 14 retailers

15 retailers$546 CAD to $2,505 CAD

A
Cheapest Retailer
-
$546 CAD
$391 USD
Final sale: no returns
A
Retailer 2
-
$584 CAD
₹39,789 INR
View
A
Retailer 3
-
$662 CAD
HK$3,700 HKD
View
A
Retailer 4
-
$774 CAD
€528 EUR
View
A
Retailer 5
-
$775 CAD
A$854 AUD
View
A
Retailer 6
-
$784 CAD
$561 USD
View
A
Retailer 7
-
$791 CAD
$566 USD
View
A
Retailer 8
-
$869 CAD
$622 USD
View
B+
Retailer 9
-
$961 CAD
$688 USD
View
B+
Retailer 10
-
$970 CAD
£547 GBP
View
B+
Retailer 11
-
$1,010 CAD
$723 USD
View
B+
Retailer 12
-
$1,062 CAD
$760 USD
View
B+
Retailer 13
-
$1,062 CAD
€724 EUR
View
B
Retailer 14
-
$1,826 CAD
£1,029 GBP
View
Most Expensive
B
NZ Jewellers
e782b7bf-767a-44c0-bde0-7d09fbe752b7 · Oct 30
$2,505 CAD
$1,793 USD
View
14 more retailers have this diamond
Prices start from $546 CADSave up to $1,958 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 Radiant
$546 CAD