CaratHunter
Plans
Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2568589589

Certificate GIA 2568589589

Diamond specifications and retailer prices

From $570 CAD
As of November 4, 2026
Save $1,979 CAD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,549 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval 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 2568589589. Listed at 11 retailers as of November 4, 2026, with prices from $570 to $2,549, a $1,979 spread on the same certified stone. NZ Jewellers lists it at $2,549. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2568589589
Dimensions6.31 × 4.33 × 2.78 mm
L/W Ratio1.46
Girdle conditionThick
Top View
6.31 mm4.33 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2568589589
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.2%

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: $2,549 CAD|Low: $570 CAD|High: $2,549 CAD|Avg: $1,089 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$570 CAD
Retailer 2$603 CAD
Retailer 6$921 CAD
Retailer 4$987 CAD
Retailer 3$992 CAD
Retailer 8$997 CAD
Retailer 9$1,000 CAD
Retailer 7$1,204 CAD
Retailer 5$1,253 CAD
NZ Jewellers$2,549 CAD

10 data points across 10 retailers

11 retailers$570 CAD to $2,549 CAD

A
Cheapest Retailer
-
$570 CAD
Final sale: no returns
A
Retailer 2
-
$603 CAD
View
A
Retailer 3
-
$800 CAD
View
B+
Retailer 4
-
$921 CAD
View
B+
Retailer 5
-
$987 CAD
View
B+
Retailer 6
-
$992 CAD
View
B+
Retailer 7
-
$997 CAD
View
B+
Retailer 8
-
$1,000 CAD
View
B+
Retailer 9
-
$1,204 CAD
View
B
Retailer 10
-
$1,253 CAD
View
Most Expensive
B
NZ Jewellers
48c9bb09-83af-4f02-ae8f-d0c082692294 · Nov 5
$2,549 CAD
$1,812 USD
View
10 more retailers have this diamond
Prices start from $570 CADSave up to $1,979 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 Oval
$570 CAD