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Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2546552151

Certificate GIA 2546552151

Diamond specifications and retailer prices

From $10,134 SGD
$7,924 USD
As of November 2, 2026
Save $8,754 SGD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,888 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 2546552151. Listed at 18 retailers as of November 2, 2026, with prices from $10,134 to $18,888, a $8,754 spread on the same certified stone. NZ Jewellers lists it at $18,888. 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
SymmetryVery Good
FluorescenceNone
Crown angle38.29°
Pavilion angle41.03°
OriginNatural
Grading LabGIA
CertificateGIA 2546552151
Dimensions11.17 × 5.94 × 3.89 mm
L/W Ratio1.88
Top View
11.17 mm5.94 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546552151
Side View
Table 60.0%Crown 38.29°Girdle: ThickPavilion 41.03°Culet: NoneDepth 65.4%

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 2
Current: $18,888 SGD|Low: $10,134 SGD|High: $18,888 SGD|Avg: $13,118 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
November 3, 2026
Retailer 4$10,134 SGD
Retailer 11$10,583 SGD
Retailer 3$10,715 SGD
Retailer 8$11,087 SGD
Retailer 14$11,332 SGD
Retailer 16$12,277 SGD
Retailer 13$12,467 SGD
Retailer 2$12,517 SGD
Retailer 9$12,769 SGD
Retailer 7$13,180 SGD
Retailer 6$13,492 SGD
Retailer 15$13,492 SGD
Retailer 5$14,166 SGD
Retailer 10$14,274 SGD
Retailer 12$17,699 SGD
NZ Jewellers$18,888 SGD

34 data points across 16 retailers

18 retailers$10,134 SGD to $18,888 SGD

A
Cheapest Retailer
-
$10,134 SGD
$7,924 USD
A
Retailer 2
-
$10,583 SGD
$8,275 USD
View
B+
Retailer 3
-
$10,712 SGD
A$12,886 AUD
View
A
Retailer 4
-
$10,715 SGD
$8,378 USD
View
B+
Retailer 5
-
$11,087 SGD
CA$12,040 CAD
View
B+
Retailer 6
-
$11,332 SGD
$8,861 USD
View
Final sale: no returns
B+
Retailer 7
-
$12,277 SGD
$9,600 USD
View
B+
Retailer 8
-
$12,467 SGD
$9,748 USD
View
B+
Retailer 9
-
$12,517 SGD
£7,706 GBP
View
B+
Retailer 10
-
$12,769 SGD
£7,862 GBP
View
B+
Retailer 11
-
$13,180 SGD
$10,306 USD
View
B+
Retailer 12
-
$13,492 SGD
$10,550 USD
View
B+
Retailer 13
-
$13,492 SGD
$10,550 USD
View
B
Retailer 14
-
$13,940 SGD
$10,900 USD
View
B
Retailer 15
-
$14,166 SGD
$11,077 USD
View
B
Retailer 16
-
$14,274 SGD
€10,630 EUR
View
B
Retailer 17
-
$17,699 SGD
£10,897 GBP
View
Most Expensive
B
NZ Jewellers
32220f11-e81f-449d-a18c-95ee5e69bbf1 · Nov 3
$18,888 SGD
$14,769 USD
View
17 more retailers have this diamond
Prices start from $10,134 SGDSave up to $8,754 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
$10,134 SGD