Marquise|Natural|GIA

1.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 5546345302

Certificate GIA 5546345302

Diamond specifications and retailer prices

From $12,482 SGD
$9,760 USD
As of November 2, 2026
Save $10,418 SGD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,900 SGD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546345302. Listed at 15 retailers as of November 2, 2026, with prices from $12,482 to $22,900, a $10,418 spread on the same certified stone. NZ Jewellers lists it at $22,900. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546345302
Dimensions11.24 × 5.83 × 3.84 mm
L/W Ratio1.93
Top View
11.24 mm5.83 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5546345302
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.8%

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 2
Current: $22,900 SGD|Low: $12,430 SGD|High: $22,900 SGD|Avg: $16,496 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9$12,482 SGD
Retailer 6$13,738 SGD
Retailer 10$14,885 SGD
Retailer 2$14,999 SGD
Retailer 7$15,114 SGD
Retailer 3$15,481 SGD
Retailer 8$15,695 SGD
Retailer 4$17,308 SGD
Retailer 5$21,459 SGD
NZ Jewellers$22,900 SGD

44 data points across 10 retailers

15 retailers$12,482 SGD to $22,900 SGD

B+
Cheapest Retailer
-
$12,482 SGD
$9,760 USD
B+
Retailer 2
-
$12,873 SGD
$10,066 USD
View
B+
Retailer 3
-
$13,035 SGD
A$15,680 AUD
View
B
Retailer 4
-
$13,525 SGD
$10,576 USD
View
B
Retailer 5
-
$13,738 SGD
$10,742 USD
View
Final sale: no returns
B
Retailer 6
-
$14,885 SGD
$11,639 USD
View
B
Retailer 7
-
$14,999 SGD
£9,235 GBP
View
B
Retailer 8
-
$15,114 SGD
$11,818 USD
View
B
Retailer 9
-
$15,481 SGD
£9,531 GBP
View
B
Retailer 10
-
$15,695 SGD
$12,272 USD
View
B
Retailer 11
-
$16,524 SGD
$12,921 USD
View
B
Retailer 12
-
$17,174 SGD
$13,429 USD
View
B
Retailer 13
-
$17,308 SGD
€12,889 EUR
View
B
Retailer 14
-
$21,459 SGD
£13,212 GBP
View
Most Expensive
B
NZ Jewellers
bd99867b-f986-4c3e-8015-60d6ae55dbfd · Nov 3
$22,900 SGD
$17,906 USD
View
14 more retailers have this diamond
Prices start from $12,482 SGDSave up to $10,418 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
$12,482 SGD