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Marquise|Natural|GIA

1.51ct I SI1 Marquise Natural Diamond

VG • I/SI1 • GIA 6555154141

Certificate GIA 6555154141

Diamond specifications and retailer prices

From €7,318 EUR
$8,208 USD
As of November 1, 2026
Save €5,711 EUR (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €13,029 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6555154141. Listed at 16 retailers as of October 30, 2026, with prices from €7,318 to €13,029, a €5,711 spread on the same certified stone. NZ Jewellers lists it at €13,029. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.42°
Pavilion angle37.74°
OriginNatural
Grading LabGIA
CertificateGIA 6555154141
Dimensions12.68 × 5.80 × 3.40 mm
L/W Ratio2.19
Top View
12.68 mm5.80 mm1.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555154141
Side View
Table 60.0%Crown 39.42°Girdle: MED-VTKPavilion 37.74°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €8,869 EUR|Low: €8,476 EUR|High: €12,356 EUR|Avg: €9,761 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3€8,476 EUR
Retailer 6€8,581 EUR
Retailer 7€8,598 EUR
Retailer 1€8,869 EUR
Retailer 2€9,846 EUR
Retailer 5€11,484 EUR
Retailer 4€12,209 EUR

38 data points across 7 retailers

16 retailers€7,318 EUR to €13,029 EUR

B+
Cheapest Retailer
-
€7,318 EUR
$8,208 USD
B+
Retailer 2
-
€7,761 EUR
$8,705 USD
View
B+
Retailer 3
-
€7,817 EUR
$8,768 USD
View
B+
Retailer 4
-
€7,882 EUR
$8,841 USD
View
B
Retailer 5
-
€8,334 EUR
$9,347 USD
View
B
Retailer 6
-
€8,468 EUR
$9,498 USD
View
B+
Retailer 7
-
€8,476 EUR
£7,486 GBP
View
Retailer 8
-
€8,581 EUR
A$14,807 AUD
View
Price last confirmed 10 days ago
B
Retailer 9
-
€8,598 EUR
$9,644 USD
View
B
Retailer 10
-
€8,869 EUR
£7,833 GBP
View
B
Retailer 11
-
€9,771 EUR
$10,959 USD
View
B
Retailer 12
-
€9,846 EUR
View
Retailer 13
-
€10,289 EUR
$11,540 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€11,484 EUR
ZAR 208,082 ZAR
View
B
Retailer 15
-
€12,209 EUR
£10,782 GBP
View
Most Expensive
B
NZ Jewellers
10678399-9b5e-4a92-b356-16fd98a4ee16 · Oct 30
€13,029 EUR
$14,613 USD
View
15 more retailers have this diamond
Prices start from €7,318 EURSave up to €5,711 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.

B+
1.51ct Marquise
€7,318 EUR