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Marquise|Natural|GIA

1.51ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 2557248303

Certificate GIA 2557248303

Diamond specifications and retailer prices

From $12,950 SGD
$10,126 USD
As of November 1, 2026
Save $4,533 SGD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $17,484 SGD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557248303. Listed at 4 retailers as of November 1, 2026, with prices from $12,950 to $17,484, a $4,533 spread on the same certified stone. 77 Diamonds lists it at $17,484. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557248303
Dimensions11.39 × 6.01 × 3.75 mm
L/W Ratio1.90
Top View
11.39 mm6.01 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557248303
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.4%

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: $17,484 SGD|Low: $12,950 SGD|High: $18,582 SGD|Avg: $15,405 SGD|+0.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$12,950 SGD
Retailer 10$13,211 SGD
Retailer 9$13,705 SGD
Retailer 6$14,482 SGD
Retailer 3$15,049 SGD
Retailer 4$15,434 SGD
Retailer 5$15,929 SGD
Retailer 8$15,993 SGD
Retailer 11$16,526 SGD
77 Diamonds$17,484 SGD
Retailer 7$18,582 SGD

33 data points across 11 retailers

4 retailers$12,950 SGD to $17,484 SGD

B+
Cheapest Retailer
-
$12,950 SGD
$10,126 USD
B+
Retailer 2
-
$13,211 SGD
$10,330 USD
View
B
Retailer 3
-
$14,482 SGD
$11,324 USD
View
Most Expensive
B
77 Diamonds
MQZF6ZUFXRS · Nov 1
$17,484 SGD
£10,764 GBP
View
3 more retailers have this diamond
Prices start from $12,950 SGDSave up to $4,533 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+
1.51ct Marquise
$12,950 SGD