Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 6562492877

Certificate GIA 6562492877

Diamond specifications and retailer prices

From $9,529 USD
As of November 1, 2026
Save $8,622 USD (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $18,151 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562492877. Listed at 24 retailers as of October 30, 2026, with prices from $9,529 to $18,151, a $8,622 spread on the same certified stone. NZ Jewellers lists it at $18,151. 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
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562492877
Dimensions11.52 × 5.89 × 3.70 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
11.52 mm5.89 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562492877
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $18,151 USD|Low: $9,306 USD|High: $18,593 USD|Avg: $11,995 USD
NZ Jewellers
Retailer 2
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
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Retailer 17
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Retailer 21
Retailer 22
November 2, 2026
Retailer 21$9,529 USD
Retailer 2$9,613 USD
Retailer 10$9,969 USD
Retailer 11$10,067 USD
Retailer 6$10,235 USD
Retailer 3$10,474 USD
Retailer 12$10,488 USD
Retailer 7$10,508 USD
Retailer 14$10,750 USD
Retailer 20$10,820 USD
Retailer 18$10,966 USD
Retailer 19$11,161 USD
Retailer 16$11,260 USD
Retailer 15$11,880 USD
Retailer 5$12,041 USD
Retailer 8$12,104 USD
Retailer 13$12,269 USD
Retailer 17$13,531 USD
Retailer 9$13,608 USD
Retailer 4$15,999 USD
Retailer 22$17,008 USD
NZ Jewellers$18,151 USD

17 data points across 22 retailers

24 retailers$9,529 USD to $18,151 USD

A
Cheapest Retailer
-
$9,529 USD
A
Retailer 2
-
$9,613 USD
HK$75,100 HKD
View
Retailer 3
-
$9,645 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$9,969 USD
View
A
Retailer 5
-
$10,067 USD
View
B+
Retailer 6
-
$10,235 USD
View
Retailer 7
-
$10,444 USD
SGD 14,114 SGD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$10,474 USD
€9,975 EUR
View
B+
Retailer 9
-
$10,488 USD
A$16,135 AUD
View
B+
Retailer 10
-
$10,508 USD
View
B+
Retailer 11
-
$10,750 USD
View
B+
Retailer 12
-
$10,820 USD
View
B+
Retailer 13
-
$10,966 USD
View
Final sale: no returns
B+
Retailer 14
-
$11,161 USD
£8,788 GBP
View
B+
Retailer 15
-
$11,260 USD
View
Retailer 16
-
$11,880 USD
A$18,277 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$12,041 USD
View
B+
Retailer 18
-
$12,104 USD
View
B+
Retailer 19
-
$12,269 USD
£9,661 GBP
View
B+
Retailer 20
-
$13,531 USD
€12,887 EUR
View
B+
Retailer 21
-
$13,608 USD
View
B
Retailer 22
-
$15,999 USD
ZAR 258,469 ZAR
View
B
Retailer 23
-
$17,008 USD
£13,392 GBP
View
Most Expensive
B
NZ Jewellers
6d4e1df9-db6b-44b4-a4bd-7028022d2000 · Oct 30
$18,151 USD
View
23 more retailers have this diamond
Prices start from $9,529 USDSave up to $8,622 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
$9,529 USD