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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1553693221

Certificate GIA 1553693221

Diamond specifications and retailer prices

From €5,781 EUR
$6,484 USD
As of October 28, 2026
Save €2,181 EUR (27%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,962 EUR at Jared · As of October 28, 2026
View at Jared

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 1553693221. Listed at 11 retailers as of October 28, 2026, with prices from €5,781 to €7,962, a €2,181 spread on the same certified stone. Jared lists it at €7,962. 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
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.42°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553693221
Dimensions11.45 × 5.98 × 3.69 mm
L/W Ratio1.91
Culet sizeNone
Top View
11.45 mm5.98 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1553693221
Side View
Table 57.0%Crown 38.42°Girdle: THN-THKPavilion 38.6°Culet: NoneDepth 61.7%

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: Oct 28
Current: €7,962 EUR|Low: €5,142 EUR|High: €9,905 EUR|Avg: €6,963 EUR
Jared
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
October 29, 2026
Retailer 3€5,194 EUR
Retailer 7€5,781 EUR
Retailer 10€5,818 EUR
Retailer 13€6,150 EUR
Retailer 5€6,165 EUR
Retailer 14€6,482 EUR
Retailer 11€6,994 EUR
Retailer 4€7,266 EUR
Retailer 8€7,703 EUR
Retailer 9€7,703 EUR
Retailer 12€7,804 EUR
Retailer 2€7,926 EUR
Jared€7,962 EUR
Retailer 6€9,905 EUR

27 data points across 14 retailers

11 retailers€5,781 EUR to €7,962 EUR

A
Cheapest Retailer
-
€5,781 EUR
$6,484 USD
A
Retailer 2
-
€5,818 EUR
$6,525 USD
View
B+
Retailer 3
-
€6,150 EUR
SGD 9,322 SGD
View
Retailer 4
-
€6,165 EUR
$6,915 USD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
€6,994 EUR
$7,844 USD
View
B+
Retailer 6
-
€7,059 EUR
$7,917 USD
View
B
Retailer 7
-
€7,703 EUR
$8,640 USD
View
B
Retailer 8
-
€7,703 EUR
$8,640 USD
View
Retailer 9
-
€7,804 EUR
$8,753 USD
View
Price last confirmed 20 days ago
B
Retailer 10
-
€7,926 EUR
$8,890 USD
View
Most Expensive
B
Jared
160131634 · Oct 28
€7,962 EUR
$8,930 USD
View
10 more retailers have this diamond
Prices start from €5,781 EURSave up to €2,181 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
€5,781 EUR