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Marquise|Natural|GIA

1.50ct M SI1 Marquise Natural Diamond

EX • M/SI1 • GIA 3555373615

Certificate GIA 3555373615

Diamond specifications and retailer prices

From $2,841 USD
As of November 6, 2026
Save $2,839 USD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,680 USD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555373615. Listed at 9 retailers as of November 4, 2026, with prices from $2,841 to $5,680, a $2,839 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,680. 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
M
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3555373615
Dimensions10.96 × 5.92 × 3.88 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.96 mm5.92 mm1.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555373615
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.5%

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 6
Current: $4,312 USD|Low: $2,816 USD|High: $6,887 USD|Avg: $4,124 USD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$2,841 USD
Retailer 10$3,149 USD
Retailer 8$3,163 USD
Retailer 4$3,268 USD
Retailer 5$3,405 USD
Retailer 7$3,436 USD
Retailer 9$3,840 USD
Retailer 1$4,312 USD
Retailer 3$4,770 USD
Wholesale Diamonds Direct$5,680 USD
Retailer 2$6,887 USD

21 data points across 11 retailers

9 retailers$2,841 USD to $5,680 USD

A
Cheapest Retailer
-
$2,841 USD
B+
Retailer 2
-
$3,163 USD
View
B+
Retailer 3
-
$3,268 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,405 USD
View
B+
Retailer 5
-
$3,436 USD
View
B
Retailer 6
-
$3,840 USD
View
B
Retailer 7
-
$4,312 USD
View
B
Retailer 8
-
$4,770 USD
View
Most Expensive
B
Wholesale Diamonds Direct
625971138 · Nov 4
$5,680 USD
View
8 more retailers have this diamond
Prices start from $2,841 USDSave up to $2,839 USD

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
$2,841 USD