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Marquise|Natural|GIA

1.50ct F SI1 Marquise Natural Diamond

VG • F/SI1 • GIA 3525302466

Certificate GIA 3525302466

Diamond specifications and retailer prices

From $13,665 SGD
$10,685 USD
As of November 1, 2026
Save $4,943 SGD (27%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $18,608 SGD at Jared · As of November 2, 2026
View at Jared

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 3525302466. Listed at 9 retailers as of November 1, 2026, with prices from $13,665 to $18,608, a $4,943 spread on the same certified stone. Jared lists it at $18,608. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.95°
Pavilion angle37.75°
OriginNatural
Grading LabGIA
CertificateGIA 3525302466
Dimensions12.43 × 5.86 × 3.43 mm
L/W Ratio2.12
Top View
12.43 mm5.86 mm1.50 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3525302466
Side View
Table 61.0%Crown 40.95°Girdle: STK-THKPavilion 37.75°Culet: NoneDepth 58.5%

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 1
Current: $18,608 SGD|Low: $13,572 SGD|High: $18,608 SGD|Avg: $16,313 SGD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$13,665 SGD
Retailer 5$13,743 SGD
Retailer 8$14,926 SGD
Retailer 4$15,088 SGD
Retailer 7$17,197 SGD
Retailer 2$17,986 SGD
Retailer 6$18,007 SGD
Retailer 9$18,007 SGD
Jared$18,608 SGD

30 data points across 9 retailers

9 retailers$13,665 SGD to $18,608 SGD

B+
Cheapest Retailer
-
$13,665 SGD
$10,685 USD
B+
Retailer 2
-
$13,743 SGD
$10,746 USD
View
B+
Retailer 3
-
$14,926 SGD
$11,671 USD
View
B
Retailer 4
-
$15,088 SGD
$11,798 USD
View
Final sale: no returns
B
Retailer 5
-
$17,197 SGD
$13,447 USD
View
B
Retailer 6
-
$17,986 SGD
£11,074 GBP
View
B
Retailer 7
-
$18,007 SGD
$14,080 USD
View
B
Retailer 8
-
$18,007 SGD
$14,080 USD
View
Most Expensive
B
Jared
155487274 · Nov 2
$18,608 SGD
$14,550 USD
View
8 more retailers have this diamond
Prices start from $13,665 SGDSave up to $4,943 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
$13,665 SGD