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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 2567290792

Certificate GIA 2567290792

Diamond specifications and retailer prices

From €5,396 EUR
HK$47,100 HKD
As of November 1, 2026
Save €4,620 EUR (46%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €10,016 EUR at MOH London · As of November 1, 2026
View at MOH London

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 2567290792. Listed at 17 retailers as of November 1, 2026, with prices from €5,396 to €10,016, a €4,620 spread on the same certified stone. MOH London lists it at €10,016. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567290792
Dimensions11.31 × 5.96 × 3.78 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Needle
Top View
11.31 mm5.96 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567290792
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.4%

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: €10,016 EUR|Low: €5,396 EUR|High: €10,288 EUR|Avg: €7,137 EUR|-2.6%
MOH London
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
Retailer 17
November 2, 2026
Retailer 17€5,396 EUR
Retailer 9€6,251 EUR
Retailer 6€6,414 EUR
Retailer 15€6,552 EUR
Retailer 8€6,610 EUR
Retailer 14€6,610 EUR
Retailer 4€6,634 EUR
Retailer 10€6,722 EUR
Retailer 7€6,733 EUR
Retailer 12€6,820 EUR
Retailer 5€6,991 EUR
Retailer 13€7,187 EUR
Retailer 11€7,338 EUR
Retailer 2€7,851 EUR
Retailer 3€8,292 EUR
Retailer 16€8,829 EUR
MOH London€10,016 EUR

30 data points across 17 retailers

17 retailers€5,396 EUR to €10,016 EUR

A
Cheapest Retailer
-
€5,396 EUR
HK$47,100 HKD
Retailer 2
-
€6,251 EUR
SGD 9,438 SGD
View
Price last confirmed 22 days ago
B+
Retailer 3
-
€6,414 EUR
SGD 9,684 SGD
View
B+
Retailer 4
-
€6,552 EUR
$7,320 USD
View
B+
Retailer 5
-
€6,610 EUR
$7,385 USD
View
B+
Retailer 6
-
€6,610 EUR
$7,385 USD
View
B+
Retailer 7
-
€6,634 EUR
$7,411 USD
View
Final sale: no returns
B+
Retailer 8
-
€6,722 EUR
£5,913 GBP
View
Retailer 9
-
€6,733 EUR
$7,522 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
€6,820 EUR
£5,999 GBP
View
Retailer 11
-
€6,991 EUR
A$12,016 AUD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
€7,187 EUR
$8,029 USD
View
B+
Retailer 13
-
€7,338 EUR
$8,198 USD
View
B+
Retailer 14
-
€7,851 EUR
View
B
Retailer 15
-
€8,292 EUR
$9,264 USD
View
B+
Retailer 16
-
€8,829 EUR
ZAR 159,352 ZAR
View
Most Expensive
B
MOH London
B88E0531F · Nov 1
€10,016 EUR
£8,811 GBP
View
16 more retailers have this diamond
Prices start from €5,396 EURSave up to €4,620 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
€5,396 EUR