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Marquise|Natural|GIA

1.51ct K SI2 Marquise Natural Diamond

ID • K/SI2 • GIA 1553383300

Certificate GIA 1553383300

Diamond specifications and retailer prices

From €4,043 EUR
As of November 5, 2026
Save €5,019 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €9,062 EUR at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553383300. Listed at 11 retailers as of November 5, 2026, with prices from €4,043 to €9,062, a €5,019 spread on the same certified stone. NZ Jewellers lists it at €9,062. 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

1.51
Carat
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553383300
Dimensions11.04 × 5.99 × 3.80 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Knot, Crystal, Cavity, Needle, Indented Natural
Top View
11.04 mm5.99 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1553383300
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NDepth 63.4%

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 5
Current: €9,062 EUR|Low: €4,043 EUR|High: €10,064 EUR|Avg: €6,170 EUR|-10.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7€4,043 EUR
Retailer 11€4,507 EUR
Retailer 10€4,683 EUR
Retailer 6€5,044 EUR
Retailer 8€5,189 EUR
Retailer 4€5,197 EUR
Retailer 3€5,224 EUR
Retailer 2€5,885 EUR
Retailer 9€7,926 EUR
Retailer 5€7,961 EUR
NZ Jewellers€9,062 EUR

41 data points across 11 retailers

11 retailers€4,043 EUR to €9,062 EUR

A
Cheapest Retailer
-
€4,043 EUR
B+
Retailer 2
-
€4,507 EUR
View
B+
Retailer 3
-
€4,683 EUR
View
B+
Retailer 4
-
€5,044 EUR
View
B+
Retailer 5
-
€5,189 EUR
View
B+
Retailer 6
-
€5,197 EUR
View
B+
Retailer 7
-
€5,224 EUR
View
B
Retailer 8
-
€5,885 EUR
View
B
Retailer 9
-
€7,926 EUR
View
B
Retailer 10
-
€7,961 EUR
View
Most Expensive
B
NZ Jewellers
0cf6a239-952c-461e-9423-3f241acea6c2 · Nov 5
€9,062 EUR
$10,118 USD
View
10 more retailers have this diamond
Prices start from €4,043 EURSave up to €5,019 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
1.51ct Marquise
€4,043 EUR