Marquise|Natural|GIA

1.50ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6552718770

Certificate GIA 6552718770

Diamond specifications and retailer prices

From €4,393 EUR
As of November 5, 2026
Save €150 EUR (3%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €8,209 EUR at NZ Jewellers · As of October 24, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct 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 6552718770. Listed at 17 retailers as of November 4, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552718770
Dimensions12.62 × 5.69 × 3.55 mm
L/W Ratio2.22
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Pinpoint, Extra Facet
Top View
12.62 mm5.69 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552718770
Side View
Table 58.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.4%

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 5
Current: €8,209 EUR|Low: €3,645 EUR|High: €8,331 EUR|Avg: €5,220 EUR|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 6€3,645 EUR
Retailer 12€3,889 EUR
Retailer 16€4,328 EUR
Retailer 2€4,393 EUR
Retailer 4€4,679 EUR
Retailer 10€4,743 EUR
Retailer 3€4,908 EUR
Retailer 5€4,908 EUR
Retailer 11€4,908 EUR
Retailer 9€4,923 EUR
Retailer 8€4,981 EUR
Retailer 13€5,045 EUR
Retailer 15€5,531 EUR
Retailer 7€5,663 EUR
Retailer 14€7,828 EUR
NZ Jewellers€8,209 EUR

27 data points across 16 retailers

17 retailers€4,393 EUR to €4,543 EUR

Retailer 1
-
€3,645 EUR
Price last confirmed 11 days ago
Retailer 2
-
€3,889 EUR
View
Price last confirmed 12 days ago
Retailer 3
-
€4,328 EUR
View
Price last confirmed 13 days ago
B+
Retailer 4
-
€4,393 EUR
View
B+
Retailer 5
-
€4,543 EUR
View
Retailer 6
-
€4,679 EUR
View
Price last confirmed 13 days ago
Retailer 7
-
€4,743 EUR
View
Price last confirmed 11 days ago
Retailer 8
-
€4,908 EUR
View
Price last confirmed 13 days ago
Retailer 9
-
€4,908 EUR
View
Price last confirmed 12 days ago
Retailer 10
-
€4,908 EUR
View
Price last confirmed 12 days ago
Retailer 11
-
€4,981 EUR
View
Price last confirmed 17 days ago
Retailer 12
-
€4,981 EUR
View
Price last confirmed 21 days ago
Retailer 13
-
€5,045 EUR
View
Price last confirmed 11 days ago
Retailer 14
-
€5,663 EUR
View
Price last confirmed 14 days ago
Retailer 15
-
€5,747 EUR
View
Price last confirmed 18 days ago
Retailer 16
-
€7,828 EUR
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
6927d8b1-69da-47b8-ba35-0c7f2a220600 · Oct 24
€8,209 EUR
$9,165 USD
View
Price last confirmed 13 days ago
16 more retailers have this diamond
Prices start from €4,393 EURSave up to €150 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+
1.50ct Marquise
€4,393 EUR