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Marquise|Natural|GIA

1.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1558587559

Certificate GIA 1558587559

Diamond specifications and retailer prices

From $9,278 SGD
As of November 6, 2026
Save $10,669 SGD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $19,947 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558587559. Listed at 18 retailers as of November 5, 2026, with prices from $9,278 to $19,947, a $10,669 spread on the same certified stone. NZ Jewellers lists it at $19,947. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558587559
Dimensions11.11 × 5.94 × 3.79 mm
L/W Ratio1.87
Girdle conditionVery Thin to Very Thick
Key to symbols
Twinning Wisp, Feather, Cavity, Natural
Top View
11.11 mm5.94 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558587559
Side View
Table 60.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 63.8%

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: $19,947 SGD|Low: $9,398 SGD|High: $20,666 SGD|Avg: $12,629 SGD|-3.5%
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
November 6, 2026
Retailer 14$9,398 SGD
Retailer 2$9,429 SGD
Retailer 16$9,889 SGD
Retailer 15$9,973 SGD
Retailer 17$10,805 SGD
Retailer 8$10,955 SGD
Retailer 12$11,128 SGD
Retailer 3$11,247 SGD
Retailer 9$11,365 SGD
Retailer 10$11,491 SGD
Retailer 5$11,565 SGD
Retailer 4$11,957 SGD
Retailer 6$11,957 SGD
Retailer 11$12,355 SGD
Retailer 13$12,467 SGD
Retailer 7$17,172 SGD
NZ Jewellers$19,947 SGD

33 data points across 17 retailers

18 retailers$9,278 SGD to $19,947 SGD

B+
Cheapest Retailer
-
$9,278 SGD
B+
Retailer 2
-
$9,398 SGD
View
B+
Retailer 3
-
$9,429 SGD
View
B+
Retailer 4
-
$9,889 SGD
View
B+
Retailer 5
-
$9,973 SGD
View
Final sale: no returns
B+
Retailer 6
-
$10,805 SGD
View
B
Retailer 7
-
$10,955 SGD
View
B+
Retailer 8
-
$11,128 SGD
View
B
Retailer 9
-
$11,247 SGD
View
B
Retailer 10
-
$11,365 SGD
View
B+
Retailer 11
-
$11,491 SGD
View
B
Retailer 12
-
$11,565 SGD
View
B
Retailer 13
-
$11,957 SGD
View
B
Retailer 14
-
$11,957 SGD
View
B
Retailer 15
-
$12,355 SGD
View
B+
Retailer 16
-
$12,467 SGD
View
B
Retailer 17
-
$17,172 SGD
View
Most Expensive
B
NZ Jewellers
c1156e61-ffd4-437e-ac01-b8778420eda8 · Nov 5
$19,947 SGD
$15,564 USD
View
17 more retailers have this diamond
Prices start from $9,278 SGDSave up to $10,669 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
$9,278 SGD