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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 €385 EUR
$432 USD
As of November 2, 2026
Save €1,341 EUR (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,726 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €385 to €1,726, a €1,341 spread on the same certified stone. NZ Jewellers lists it at €1,726. 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: €1,726 EUR|Low: €385 EUR|High: €1,726 EUR|Avg: €777 EUR
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 2, 2026
Retailer 4€385 EUR
Retailer 2€411 EUR
Retailer 12€508 EUR
Retailer 9€624 EUR
Retailer 11€663 EUR
Retailer 3€668 EUR
Retailer 5€676 EUR
Retailer 6€677 EUR
Retailer 7€813 EUR
Retailer 8€849 EUR
Retailer 10€1,273 EUR
NZ Jewellers€1,726 EUR

17 data points across 12 retailers

12 retailers€385 EUR to €1,726 EUR

A
Cheapest Retailer
-
€385 EUR
$432 USD
Final sale: no returns
A
Retailer 2
-
€411 EUR
₹43,858 INR
View
Retailer 3
-
€508 EUR
$570 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
€624 EUR
$700 USD
View
B+
Retailer 5
-
€663 EUR
$744 USD
View
B+
Retailer 6
-
€668 EUR
$749 USD
View
B+
Retailer 7
-
€676 EUR
£597 GBP
View
B+
Retailer 8
-
€677 EUR
£598 GBP
View
B+
Retailer 9
-
€813 EUR
View
B
Retailer 10
-
€849 EUR
ZAR 15,391 ZAR
View
B
Retailer 11
-
€1,273 EUR
£1,124 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
32b23af8-fc48-47df-87b6-91c93d04c05e · Oct 30
€1,726 EUR
$1,936 USD
View
11 more retailers have this diamond
Prices start from €385 EURSave up to €1,341 EUR

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
€385 EUR