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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 $5,125 NZD
As of November 6, 2026
Save $5,122 NZD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,246 NZD at Wholesale Diamonds Direct · As of November 6, 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 6, 2026, with prices from $5,125 to $10,246, a $5,122 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,246. 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
Colour
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: $7,778 NZD|Low: $5,080 NZD|High: $12,423 NZD|Avg: $7,428 NZD|+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$5,125 NZD
Retailer 10$5,680 NZD
Retailer 8$5,706 NZD
Retailer 4$5,895 NZD
Retailer 5$6,142 NZD
Retailer 7$6,198 NZD
Retailer 9$6,927 NZD
Retailer 1$7,778 NZD
Retailer 3$8,605 NZD
Wholesale Diamonds Direct$10,246 NZD
Retailer 2$12,423 NZD

20 data points across 11 retailers

9 retailers$5,125 NZD to $10,246 NZD

A
Cheapest Retailer
-
$5,125 NZD
B+
Retailer 2
-
$5,706 NZD
View
B+
Retailer 3
-
$5,895 NZD
View
Final sale: no returns
B+
Retailer 4
-
$6,142 NZD
View
B+
Retailer 5
-
$6,198 NZD
View
B
Retailer 6
-
$6,927 NZD
View
B
Retailer 7
-
$7,778 NZD
View
B
Retailer 8
-
$8,605 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
625971138 · Nov 6
$10,246 NZD
$5,680 USD
View
8 more retailers have this diamond
Prices start from $5,125 NZDSave up to $5,122 NZD

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
$5,125 NZD