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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7558706544

Certificate GIA 7558706544

Diamond specifications and retailer prices

From €7,225 EUR
$8,104 USD
As of November 2, 2026
Save €6,592 EUR (48%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €13,818 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 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 7558706544. Listed at 23 retailers as of October 30, 2026, with prices from €7,225 to €13,818, a €6,592 spread on the same certified stone. NZ Jewellers lists it at €13,818. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.32°
Pavilion angle41.54°
OriginNatural
Grading LabGIA
CertificateGIA 7558706544
Dimensions11.37 × 6.01 × 3.77 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.37 mm6.01 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558706544
Side View
Table 61.0%Crown 39.32°Girdle: MED-THKPavilion 41.54°Culet: NoneDepth 62.8%

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 2
Current: €13,818 EUR|Low: €7,151 EUR|High: €13,818 EUR|Avg: €9,662 EUR
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 2, 2026
Retailer 3€7,225 EUR
Retailer 6€8,008 EUR
Retailer 5€8,216 EUR
Retailer 14€8,291 EUR
Retailer 16€8,291 EUR
Retailer 4€8,982 EUR
Retailer 9€8,998 EUR
Retailer 12€9,118 EUR
Retailer 15€9,120 EUR
Retailer 8€9,224 EUR
Retailer 13€9,227 EUR
Retailer 7€9,754 EUR
Retailer 2€10,443 EUR
Retailer 11€12,180 EUR
Retailer 10€12,948 EUR
NZ Jewellers€13,818 EUR

44 data points across 16 retailers

23 retailers€7,225 EUR to €13,818 EUR

B+
Cheapest Retailer
-
€7,225 EUR
$8,104 USD
B+
Retailer 2
-
€7,763 EUR
$8,707 USD
View
B
Retailer 3
-
€8,008 EUR
$8,981 USD
View
B
Retailer 4
-
€8,216 EUR
$9,215 USD
View
B
Retailer 5
-
€8,291 EUR
$9,299 USD
View
B
Retailer 6
-
€8,291 EUR
$9,299 USD
View
Final sale: no returns
B
Retailer 7
-
€8,360 EUR
$9,377 USD
View
B
Retailer 8
-
€8,982 EUR
$10,074 USD
View
B+
Retailer 9
-
€8,998 EUR
£7,946 GBP
View
Retailer 10
-
€9,118 EUR
A$15,733 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
€9,120 EUR
$10,229 USD
View
Retailer 12
-
€9,224 EUR
$10,346 USD
View
Price last confirmed 11 days ago
Retailer 13
-
€9,227 EUR
$10,349 USD
View
Price last confirmed 12 days ago
Retailer 14
-
€9,754 EUR
$10,940 USD
View
Price last confirmed 11 days ago
Retailer 15
-
€9,754 EUR
$10,940 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
€9,820 EUR
$11,014 USD
View
B
Retailer 17
-
€9,893 EUR
$11,096 USD
View
Retailer 18
-
€10,084 EUR
$11,310 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
€10,364 EUR
$11,624 USD
View
B
Retailer 20
-
€10,443 EUR
View
B
Retailer 21
-
€12,180 EUR
ZAR 220,698 ZAR
View
B
Retailer 22
-
€12,948 EUR
£11,435 GBP
View
Most Expensive
B
NZ Jewellers
516e55f6-e4ab-4615-9d7f-69bdbc8f4a91 · Oct 30
€13,818 EUR
$15,498 USD
View
22 more retailers have this diamond
Prices start from €7,225 EURSave up to €6,592 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
€7,225 EUR