Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2564661078

Certificate GIA 2564661078

Diamond specifications and retailer prices

From €6,516 EUR
HK$57,100 HKD
As of November 1, 2026
Save €8,075 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €14,592 EUR at NZ Jewellers · As of November 3, 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 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 2564661078. Listed at 11 retailers as of November 1, 2026, with prices from €6,516 to €14,592, a €8,075 spread on the same certified stone. NZ Jewellers lists it at €14,592. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564661078
Dimensions11.37 × 5.98 × 3.83 mm
L/W Ratio1.90
Girdle conditionThick to Very Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
11.37 mm5.98 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564661078
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.0%

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: €14,592 EUR|Low: €6,516 EUR|High: €14,958 EUR|Avg: €8,677 EUR|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 11€6,516 EUR
Retailer 2€6,683 EUR
Retailer 9€6,884 EUR
Retailer 3€7,069 EUR
Retailer 10€7,734 EUR
Retailer 6€8,278 EUR
Retailer 8€8,724 EUR
Retailer 4€8,740 EUR
Retailer 5€8,859 EUR
Retailer 7€12,159 EUR
NZ Jewellers€14,592 EUR

12 data points across 11 retailers

11 retailers€6,516 EUR to €14,592 EUR

B+
Cheapest Retailer
-
€6,516 EUR
HK$57,100 HKD
B+
Retailer 2
-
€6,683 EUR
₹713,823 INR
View
B+
Retailer 3
-
€6,884 EUR
A$11,879 AUD
View
B+
Retailer 4
-
€7,069 EUR
$7,929 USD
View
Final sale: no returns
B+
Retailer 5
-
€7,734 EUR
$8,674 USD
View
B
Retailer 6
-
€8,278 EUR
£7,311 GBP
View
B+
Retailer 7
-
€8,724 EUR
$9,785 USD
View
B+
Retailer 8
-
€8,740 EUR
£7,718 GBP
View
B
Retailer 9
-
€8,859 EUR
$9,936 USD
View
B
Retailer 10
-
€12,159 EUR
£10,738 GBP
View
Most Expensive
B
NZ Jewellers
7db7de9f-8eef-4587-93a5-3f82ce5dc6d7 · Nov 3
€14,592 EUR
$16,366 USD
View
10 more retailers have this diamond
Prices start from €6,516 EURSave up to €8,075 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
€6,516 EUR