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Marquise|Natural|GIA

1.50ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1232882970

Certificate GIA 1232882970

Diamond specifications and retailer prices

From $7,291 SGD
As of November 6, 2026
Save $8,155 SGD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,446 SGD at NZ Jewellers · As of November 5, 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 K 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 1232882970. Listed at 20 retailers as of November 5, 2026, with prices from $7,291 to $15,446, a $8,155 spread on the same certified stone. NZ Jewellers lists it at $15,446. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.74°
OriginNatural
Grading LabGIA
CertificateGIA 1232882970
Dimensions11.84 × 5.72 × 3.73 mm
L/W Ratio2.07
Key to symbols
Crystal, Feather, Needle, Natural
Top View
11.84 mm5.72 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1232882970
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 39.74°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $15,446 SGD|Low: $7,291 SGD|High: $15,446 SGD|Avg: $9,531 SGD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 8$7,291 SGD
Retailer 9$7,296 SGD
Retailer 17$7,723 SGD
Retailer 6$7,773 SGD
Retailer 7$7,787 SGD
Retailer 3$8,366 SGD
Retailer 18$8,471 SGD
Retailer 16$8,496 SGD
Retailer 11$8,691 SGD
Retailer 13$8,769 SGD
Retailer 2$8,958 SGD
Retailer 19$9,449 SGD
Retailer 4$9,653 SGD
Retailer 12$10,034 SGD
Retailer 10$10,177 SGD
Retailer 14$11,268 SGD
Retailer 15$12,835 SGD
Retailer 5$13,525 SGD
NZ Jewellers$15,446 SGD

37 data points across 19 retailers

20 retailers$7,291 SGD to $15,446 SGD

B+
Cheapest Retailer
-
$7,291 SGD
B+
Retailer 2
-
$7,296 SGD
View
Retailer 3
-
$7,723 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$7,773 SGD
View
B+
Retailer 5
-
$7,787 SGD
View
B+
Retailer 6
-
$8,237 SGD
View
B
Retailer 7
-
$8,366 SGD
View
B
Retailer 8
-
$8,471 SGD
View
B
Retailer 9
-
$8,496 SGD
View
B
Retailer 10
-
$8,691 SGD
View
B
Retailer 11
-
$8,769 SGD
View
B
Retailer 12
-
$8,958 SGD
View
B
Retailer 13
-
$9,449 SGD
View
B
Retailer 14
-
$9,653 SGD
View
B
Retailer 15
-
$10,034 SGD
View
Retailer 16
-
$10,177 SGD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$11,268 SGD
View
B
Retailer 18
-
$12,835 SGD
View
B
Retailer 19
-
$13,525 SGD
View
Most Expensive
B
NZ Jewellers
6bceaecc-c468-4a9f-91af-66ce2ac66a01 · Nov 5
$15,446 SGD
$12,052 USD
View
19 more retailers have this diamond
Prices start from $7,291 SGDSave up to $8,155 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.

B+
1.50ct Marquise
$7,291 SGD