Marquise|Natural|GIA

1.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2564368871

Certificate GIA 2564368871

Diamond specifications and retailer prices

From €8,452 EUR
SGD 12,810 SGD
As of November 1, 2026
Save €6,697 EUR (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €15,149 EUR at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded G 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 2564368871. Listed at 16 retailers as of November 1, 2026, with prices from €8,452 to €15,149, a €6,697 spread on the same certified stone. With Clarity lists it at €15,149. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.9°
Pavilion angle39.78°
OriginNatural
Grading LabGIA
CertificateGIA 2564368871
Dimensions11.76 × 5.65 × 3.59 mm
L/W Ratio2.08
Culet sizeNone
Top View
11.76 mm5.65 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564368871
Side View
Table 58.0%Crown 39.9°Girdle: STK-VTKPavilion 39.78°Culet: NDepth 63.5%

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 1
Current: €10,799 EUR|Low: €8,452 EUR|High: €15,149 EUR|Avg: €10,414 EUR|+0.4%
Retailer 1
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
With Clarity
November 2, 2026
Retailer 6€8,452 EUR
Retailer 2€8,871 EUR
Retailer 10€9,041 EUR
Retailer 7€9,105 EUR
Retailer 11€9,150 EUR
Retailer 15€9,174 EUR
Retailer 14€9,344 EUR
Retailer 4€9,353 EUR
Retailer 8€9,353 EUR
Retailer 5€10,765 EUR
Retailer 1€10,799 EUR
Retailer 13€10,868 EUR
Retailer 12€11,097 EUR
Retailer 9€12,460 EUR
Retailer 3€13,286 EUR
With Clarity€15,149 EUR

29 data points across 16 retailers

16 retailers€8,452 EUR to €15,149 EUR

B+
Cheapest Retailer
-
€8,452 EUR
SGD 12,810 SGD
B+
Retailer 2
-
€8,871 EUR
$9,950 USD
View
B+
Retailer 3
-
€9,041 EUR
$10,140 USD
View
B+
Retailer 4
-
€9,105 EUR
$10,212 USD
View
B+
Retailer 5
-
€9,150 EUR
SGD 13,868 SGD
View
B+
Retailer 6
-
€9,174 EUR
$10,290 USD
View
B+
Retailer 7
-
€9,344 EUR
$10,480 USD
View
B+
Retailer 8
-
€9,353 EUR
$10,490 USD
View
B+
Retailer 9
-
€9,353 EUR
£8,260 GBP
View
B
Retailer 10
-
€10,765 EUR
$12,074 USD
View
B
Retailer 11
-
€10,799 EUR
View
B
Retailer 12
-
€10,868 EUR
$12,190 USD
View
B
Retailer 13
-
€11,097 EUR
$12,447 USD
View
B
Retailer 14
-
€12,460 EUR
$13,975 USD
View
B
Retailer 15
-
€13,286 EUR
$14,902 USD
View
Most Expensive
B
With Clarity
2564368871 · Nov 1
€15,149 EUR
$16,991 USD
View
15 more retailers have this diamond
Prices start from €8,452 EURSave up to €6,697 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
€8,452 EUR