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Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1557914895

Certificate GIA 1557914895

Diamond specifications and retailer prices

From $10,754 SGD
$8,409 USD
As of November 1, 2026
Save $8,716 SGD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,470 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 F 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 1557914895. Listed at 14 retailers as of November 1, 2026, with prices from $10,754 to $19,470, a $8,716 spread on the same certified stone. NZ Jewellers lists it at $19,470. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.11°
OriginNatural
Grading LabGIA
CertificateGIA 1557914895
Dimensions11.38 × 5.99 × 3.79 mm
L/W Ratio1.90
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
11.38 mm5.99 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1557914895
Side View
Table 56.0%CrownGirdle: THK-VTKPavilion 40.11°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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 1
Current: $19,470 SGD|Low: $9,986 SGD|High: $19,710 SGD|Avg: $13,455 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 2, 2026
Retailer 4$9,986 SGD
Retailer 9$10,754 SGD
Retailer 5$11,046 SGD
Retailer 14$11,540 SGD
Retailer 10$11,586 SGD
Retailer 12$12,656 SGD
Retailer 6$12,808 SGD
Retailer 8$12,850 SGD
Retailer 3$14,106 SGD
Retailer 13$14,106 SGD
Retailer 2$14,399 SGD
Retailer 11$14,579 SGD
Retailer 7$18,245 SGD
NZ Jewellers$19,470 SGD

28 data points across 14 retailers

14 retailers$10,754 SGD to $19,470 SGD

Retailer 1
-
$9,986 SGD
HK$61,000 HKD
Price last confirmed 46 days ago
A
Retailer 2
-
$10,754 SGD
$8,409 USD
View
B+
Retailer 3
-
$11,237 SGD
A$13,518 AUD
View
B+
Retailer 4
-
$11,540 SGD
$9,023 USD
View
Final sale: no returns
B+
Retailer 5
-
$11,586 SGD
$9,060 USD
View
B+
Retailer 6
-
$12,656 SGD
$9,896 USD
View
B+
Retailer 7
-
$12,808 SGD
A$15,408 AUD
View
B+
Retailer 8
-
$12,850 SGD
$10,048 USD
View
B
Retailer 9
-
$14,106 SGD
$11,030 USD
View
B
Retailer 10
-
$14,106 SGD
$11,030 USD
View
B
Retailer 11
-
$14,399 SGD
€10,723 EUR
View
B+
Retailer 12
-
$14,579 SGD
$11,400 USD
View
B
Retailer 13
-
$18,245 SGD
£11,233 GBP
View
Most Expensive
B
NZ Jewellers
6332d3ed-82a0-4266-a848-855a4ef875d4 · Nov 3
$19,470 SGD
$15,224 USD
View
13 more retailers have this diamond
Prices start from $10,754 SGDSave up to $8,716 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
$10,754 SGD