Marquise|Natural|GIA

1.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6552704461

Certificate GIA 6552704461

Diamond specifications and retailer prices

From $11,655 USD
£9,177 GBP
As of October 28, 2026
14 retailers carry this diamond
Most expensive: $16,500 USD at NZ Jewellers · As of October 21, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552704461. Listed at 14 retailers as of October 28, 2026. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552704461
Dimensions11.50 × 6.05 × 3.60 mm
L/W Ratio1.90
Culet sizeNone
Top View
11.50 mm6.05 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552704461
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $11,655 USD|Low: $9,185 USD|High: $15,648 USD|Avg: $11,845 USD|+7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 8$9,185 USD
Retailer 10$9,900 USD
Retailer 7$9,982 USD
Retailer 3$10,559 USD
Retailer 9$10,890 USD
Retailer 5$11,151 USD
Retailer 1$11,655 USD
Retailer 4$12,386 USD
Retailer 11$13,026 USD
Retailer 2$14,113 USD
Retailer 6$15,544 USD

36 data points across 11 retailers

14 retailers

Retailer 1
-
$9,185 USD
Price last confirmed 9 days ago
Retailer 2
-
$9,900 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$9,982 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$10,559 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$10,725 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$10,890 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$11,151 USD
£8,780 GBP
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$11,655 USD
£9,177 GBP
View
Retailer 9
-
$12,375 USD
View
Price last confirmed 56 days ago
Retailer 10
-
$12,375 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$12,386 USD
€11,796 EUR
View
Price last confirmed 9 days ago
Retailer 12
-
$13,026 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$15,544 USD
£12,239 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
12c9744b-101f-4eb8-b3df-834ae98b55f6 · Oct 21
$16,500 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $11,655 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.

B+
1.50ct Marquise
$11,655 USD