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Marquise|Natural|GIA

1.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6552006150

Certificate GIA 6552006150

Diamond specifications and retailer prices

From $11,989 SGD
As of November 4, 2026
Save $7,760 SGD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,749 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 6552006150. Listed at 14 retailers as of November 3, 2026, with prices from $11,989 to $19,749, a $7,760 spread on the same certified stone. NZ Jewellers lists it at $19,749. 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552006150
Dimensions11.71 × 5.83 × 3.40 mm
L/W Ratio2.01
Top View
11.71 mm5.83 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552006150
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 58.4%

Caratlytics Score

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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 4
Current: $19,749 SGD|Low: $11,989 SGD|High: $19,987 SGD|Avg: $14,516 SGD|-1.2%
NZ Jewellers
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
November 5, 2026
Retailer 6$11,989 SGD
Retailer 11$12,042 SGD
Retailer 12$12,137 SGD
Retailer 2$12,839 SGD
Retailer 14$13,079 SGD
Retailer 3$13,080 SGD
Retailer 8$13,325 SGD
Retailer 5$14,169 SGD
Retailer 4$14,387 SGD
Retailer 13$14,500 SGD
Retailer 9$14,868 SGD
Retailer 10$16,349 SGD
Retailer 7$18,456 SGD
NZ Jewellers$19,749 SGD

31 data points across 14 retailers

14 retailers$11,989 SGD to $19,749 SGD

A
Cheapest Retailer
-
$11,989 SGD
A
Retailer 2
-
$12,042 SGD
View
A
Retailer 3
-
$12,137 SGD
View
A
Retailer 4
-
$12,839 SGD
View
B+
Retailer 5
-
$13,079 SGD
View
Final sale: no returns
Retailer 6
-
$13,080 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$13,325 SGD
View
B+
Retailer 8
-
$14,169 SGD
View
B+
Retailer 9
-
$14,387 SGD
View
B+
Retailer 10
-
$14,500 SGD
View
B+
Retailer 11
-
$14,868 SGD
View
B+
Retailer 12
-
$16,349 SGD
View
B+
Retailer 13
-
$18,456 SGD
View
Most Expensive
B
NZ Jewellers
0ae8e960-e63a-4067-bd72-18b10036012a · Nov 3
$19,749 SGD
$15,410 USD
View
13 more retailers have this diamond
Prices start from $11,989 SGDSave up to $7,760 SGD

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
1.51ct Marquise
$11,989 SGD