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Marquise|Natural|GIA

0.51ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7561579444

Certificate GIA 7561579444

Diamond specifications and retailer prices

From $604 CAD
$432 USD
As of November 2, 2026
Save $2,102 CAD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,705 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise 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 stated by the retailer rather than the lab and certified by GIA 7561579444. Listed at 12 retailers as of November 2, 2026, with prices from $604 to $2,705, a $2,102 spread on the same certified stone. NZ Jewellers lists it at $2,705. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7561579444
Dimensions7.90 × 4.15 × 2.67 mm
L/W Ratio1.90
Girdle conditionVery Thick
Top View
7.90 mm4.15 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7561579444
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.4%

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 2
Current: $2,705 CAD|Low: $604 CAD|High: $2,705 CAD|Avg: $1,217 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
November 3, 2026
Retailer 4$604 CAD
Retailer 5$644 CAD
Retailer 12$797 CAD
Retailer 9$978 CAD
Retailer 11$1,040 CAD
Retailer 3$1,047 CAD
Retailer 2$1,052 CAD
Retailer 6$1,059 CAD
Retailer 7$1,274 CAD
Retailer 8$1,331 CAD
Retailer 10$1,995 CAD
NZ Jewellers$2,705 CAD

18 data points across 12 retailers

12 retailers$604 CAD to $2,705 CAD

A
Cheapest Retailer
-
$604 CAD
$432 USD
Final sale: no returns
A
Retailer 2
-
$644 CAD
₹43,858 INR
View
Retailer 3
-
$797 CAD
$570 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$978 CAD
$700 USD
View
B+
Retailer 5
-
$1,040 CAD
$744 USD
View
B+
Retailer 6
-
$1,047 CAD
$749 USD
View
B+
Retailer 7
-
$1,052 CAD
£593 GBP
View
B+
Retailer 8
-
$1,059 CAD
£597 GBP
View
B+
Retailer 9
-
$1,274 CAD
€868 EUR
View
B
Retailer 10
-
$1,331 CAD
ZAR 15,391 ZAR
View
Retailer 11
-
$1,995 CAD
£1,124 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
32b23af8-fc48-47df-87b6-91c93d04c05e · Nov 3
$2,705 CAD
$1,936 USD
View
11 more retailers have this diamond
Prices start from $604 CADSave up to $2,102 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 Marquise
$604 CAD