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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 $7,924 USD
As of November 2, 2026
Save $6,845 USD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,769 USD 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 $7,924 to $14,769, a $6,845 spread on the same certified stone. NZ Jewellers lists it at $14,769. 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
Color
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: $14,769 USD|Low: $7,924 USD|High: $14,769 USD|Avg: $10,257 USD
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$7,924 USD
Retailer 11$8,275 USD
Retailer 3$8,378 USD
Retailer 8$8,669 USD
Retailer 14$8,861 USD
Retailer 16$9,600 USD
Retailer 13$9,748 USD
Retailer 2$9,787 USD
Retailer 9$9,984 USD
Retailer 7$10,306 USD
Retailer 6$10,550 USD
Retailer 15$10,550 USD
Retailer 5$11,077 USD
Retailer 10$11,162 USD
Retailer 12$13,839 USD
NZ Jewellers$14,769 USD

34 data points across 16 retailers

18 retailers$7,924 USD to $14,769 USD

A
Cheapest Retailer
-
$7,924 USD
A
Retailer 2
-
$8,275 USD
View
B+
Retailer 3
-
$8,376 USD
A$12,886 AUD
View
A
Retailer 4
-
$8,378 USD
View
B+
Retailer 5
-
$8,669 USD
CA$12,040 CAD
View
B+
Retailer 6
-
$8,861 USD
View
Final sale: no returns
B+
Retailer 7
-
$9,600 USD
View
B+
Retailer 8
-
$9,748 USD
View
B+
Retailer 9
-
$9,787 USD
£7,706 GBP
View
B+
Retailer 10
-
$9,984 USD
£7,862 GBP
View
B+
Retailer 11
-
$10,306 USD
View
B+
Retailer 12
-
$10,550 USD
View
B+
Retailer 13
-
$10,550 USD
View
B
Retailer 14
-
$10,900 USD
View
B
Retailer 15
-
$11,077 USD
View
B
Retailer 16
-
$11,162 USD
€10,630 EUR
View
B
Retailer 17
-
$13,839 USD
£10,897 GBP
View
Most Expensive
B
NZ Jewellers
32220f11-e81f-449d-a18c-95ee5e69bbf1 · Nov 3
$14,769 USD
View
17 more retailers have this diamond
Prices start from $7,924 USDSave up to $6,845 USD

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
$7,924 USD