Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555718804

Certificate GIA 6555718804

Diamond specifications and retailer prices

From €8,153 EUR
$9,145 USD
As of November 1, 2026
Save €7,481 EUR (48%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €15,635 EUR at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555718804. Listed at 31 retailers as of October 30, 2026, with prices from €8,153 to €15,635, a €7,481 spread on the same certified stone. NZ Jewellers lists it at €15,635. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555718804
Dimensions10.91 × 5.92 × 3.77 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
10.91 mm5.92 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555718804
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.8%

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 1
Current: €15,635 EUR|Low: €7,475 EUR|High: €16,020 EUR|Avg: €10,494 EUR
NZ Jewellers
Retailer 2
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Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
November 2, 2026
Retailer 27€8,153 EUR
Retailer 15€8,381 EUR
Retailer 11€8,693 EUR
Retailer 3€8,704 EUR
Retailer 16€8,947 EUR
Retailer 26€8,970 EUR
Retailer 9€9,224 EUR
Retailer 14€9,268 EUR
Retailer 10€9,381 EUR
Retailer 28€9,381 EUR
Retailer 17€9,996 EUR
Retailer 18€10,008 EUR
Retailer 13€10,053 EUR
Retailer 29€10,163 EUR
Retailer 25€10,191 EUR
Retailer 12€10,319 EUR
Retailer 8€10,376 EUR
Retailer 4€10,464 EUR
Retailer 19€10,546 EUR
Retailer 21€10,623 EUR
Retailer 20€11,150 EUR
Retailer 6€11,176 EUR
Retailer 22€11,425 EUR
Retailer 7€11,429 EUR
Retailer 5€11,726 EUR
Retailer 2€11,816 EUR
Retailer 24€13,782 EUR
Retailer 23€14,651 EUR
NZ Jewellers€15,635 EUR

36 data points across 29 retailers

31 retailers€8,153 EUR to €15,635 EUR

Retailer 1
-
€6,745 EUR
HK$59,100 HKD
Price last confirmed 38 days ago
Retailer 2
-
€7,226 EUR
$8,105 USD
View
Price last confirmed 46 days ago
A
Retailer 3
-
€8,153 EUR
$9,145 USD
View
A
Retailer 4
-
€8,381 EUR
$9,400 USD
View
B+
Retailer 5
-
€8,693 EUR
$9,750 USD
View
B+
Retailer 6
-
€8,704 EUR
$9,763 USD
View
B+
Retailer 7
-
€8,807 EUR
A$15,196 AUD
View
B+
Retailer 8
-
€8,947 EUR
$10,035 USD
View
B+
Retailer 9
-
€8,970 EUR
$10,061 USD
View
B+
Retailer 10
-
€9,224 EUR
CA$14,370 CAD
View
B+
Retailer 11
-
€9,268 EUR
$10,395 USD
View
B+
Retailer 12
-
€9,381 EUR
$10,522 USD
View
B+
Retailer 13
-
€9,381 EUR
$10,522 USD
View
Final sale: no returns
B+
Retailer 14
-
€9,996 EUR
$11,212 USD
View
B+
Retailer 15
-
€10,008 EUR
$11,225 USD
View
B+
Retailer 16
-
€10,053 EUR
£8,878 GBP
View
B+
Retailer 17
-
€10,163 EUR
$11,399 USD
View
Retailer 18
-
€10,191 EUR
A$17,585 AUD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
€10,319 EUR
$11,574 USD
View
B+
Retailer 20
-
€10,376 EUR
$11,637 USD
View
B+
Retailer 21
-
€10,464 EUR
$11,737 USD
View
Retailer 22
-
€10,505 EUR
$11,782 USD
View
Price last confirmed 62 days ago
Retailer 23
-
€10,546 EUR
$11,828 USD
View
Price last confirmed 19 days ago
B
Retailer 24
-
€11,150 EUR
$12,506 USD
View
B
Retailer 25
-
€11,176 EUR
$12,535 USD
View
B
Retailer 26
-
€11,429 EUR
$12,818 USD
View
B+
Retailer 27
-
€11,726 EUR
$13,152 USD
View
B+
Retailer 28
-
€11,816 EUR
View
B
Retailer 29
-
€13,782 EUR
ZAR 249,721 ZAR
View
B
Retailer 30
-
€14,651 EUR
£12,939 GBP
View
Most Expensive
B
NZ Jewellers
9010dca9-b235-4b2b-8fda-183916b6f45c · Oct 30
€15,635 EUR
$17,536 USD
View
30 more retailers have this diamond
Prices start from €8,153 EURSave up to €7,481 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
1.50ct Marquise
€8,153 EUR