Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555718804

Certificate GIA 6555718804

Diamond specifications and retailer prices

From €8,186 EUR
$9,145 USD
As of November 1, 2026
Save €7,511 EUR (48%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €15,696 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 €8,186 to €15,696, a €7,511 spread on the same certified stone. NZ Jewellers lists it at €15,696. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €15,696 EUR|Low: €7,504 EUR|High: €16,083 EUR|Avg: €10,535 EUR
NZ Jewellers
Retailer 2
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Retailer 19
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Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
November 2, 2026
Retailer 27€8,186 EUR
Retailer 15€8,414 EUR
Retailer 11€8,727 EUR
Retailer 3€8,739 EUR
Retailer 16€8,982 EUR
Retailer 26€9,005 EUR
Retailer 9€9,261 EUR
Retailer 14€9,304 EUR
Retailer 10€9,418 EUR
Retailer 28€9,418 EUR
Retailer 17€10,036 EUR
Retailer 18€10,047 EUR
Retailer 13€10,092 EUR
Retailer 29€10,203 EUR
Retailer 25€10,231 EUR
Retailer 12€10,360 EUR
Retailer 8€10,416 EUR
Retailer 4€10,506 EUR
Retailer 19€10,587 EUR
Retailer 21€10,665 EUR
Retailer 20€11,194 EUR
Retailer 6€11,220 EUR
Retailer 22€11,470 EUR
Retailer 7€11,474 EUR
Retailer 5€11,772 EUR
Retailer 2€11,863 EUR
Retailer 24€13,836 EUR
Retailer 23€14,709 EUR
NZ Jewellers€15,696 EUR

36 data points across 29 retailers

31 retailers€8,186 EUR to €15,696 EUR

Retailer 1
-
€6,771 EUR
HK$59,100 HKD
Price last confirmed 38 days ago
Retailer 2
-
€7,255 EUR
$8,105 USD
View
Price last confirmed 46 days ago
A
Retailer 3
-
€8,186 EUR
$9,145 USD
View
A
Retailer 4
-
€8,414 EUR
$9,400 USD
View
B+
Retailer 5
-
€8,727 EUR
$9,750 USD
View
B+
Retailer 6
-
€8,739 EUR
$9,763 USD
View
B+
Retailer 7
-
€8,841 EUR
A$15,196 AUD
View
B+
Retailer 8
-
€8,982 EUR
$10,035 USD
View
B+
Retailer 9
-
€9,005 EUR
$10,061 USD
View
B+
Retailer 10
-
€9,261 EUR
CA$14,370 CAD
View
B+
Retailer 11
-
€9,304 EUR
$10,395 USD
View
B+
Retailer 12
-
€9,418 EUR
$10,522 USD
View
B+
Retailer 13
-
€9,418 EUR
$10,522 USD
View
Final sale: no returns
B+
Retailer 14
-
€10,036 EUR
$11,212 USD
View
B+
Retailer 15
-
€10,047 EUR
$11,225 USD
View
B+
Retailer 16
-
€10,092 EUR
£8,878 GBP
View
B+
Retailer 17
-
€10,203 EUR
$11,399 USD
View
Retailer 18
-
€10,231 EUR
A$17,585 AUD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
€10,360 EUR
$11,574 USD
View
B+
Retailer 20
-
€10,416 EUR
$11,637 USD
View
B+
Retailer 21
-
€10,506 EUR
$11,737 USD
View
Retailer 22
-
€10,546 EUR
$11,782 USD
View
Price last confirmed 62 days ago
Retailer 23
-
€10,587 EUR
$11,828 USD
View
Price last confirmed 19 days ago
B
Retailer 24
-
€11,194 EUR
$12,506 USD
View
B
Retailer 25
-
€11,220 EUR
$12,535 USD
View
B
Retailer 26
-
€11,474 EUR
$12,818 USD
View
B+
Retailer 27
-
€11,772 EUR
$13,152 USD
View
B+
Retailer 28
-
€11,863 EUR
View
B
Retailer 29
-
€13,836 EUR
ZAR 249,721 ZAR
View
B
Retailer 30
-
€14,709 EUR
£12,939 GBP
View
Most Expensive
B
NZ Jewellers
9010dca9-b235-4b2b-8fda-183916b6f45c · Oct 30
€15,696 EUR
$17,536 USD
View
30 more retailers have this diamond
Prices start from €8,186 EURSave up to €7,511 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
€8,186 EUR