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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 HK$79,450 HKD
$10,126 USD
As of November 1, 2026
Save HK$27,812 HKD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$107,262 HKD 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 HK$79,450 to HK$107,262, a HK$27,812 spread on the same certified stone. 77 Diamonds lists it at HK$107,262. 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: HK$107,262 HKD|Low: HK$79,450 HKD|High: HK$114,004 HKD|Avg: HK$94,508 HKD|-0.2%
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 2HK$79,450 HKD
Retailer 10HK$81,050 HKD
Retailer 9HK$84,079 HKD
Retailer 6HK$88,848 HKD
Retailer 3HK$92,325 HKD
Retailer 4HK$94,689 HKD
Retailer 5HK$97,723 HKD
Retailer 8HK$98,118 HKD
Retailer 11HK$101,390 HKD
77 DiamondsHK$107,262 HKD
Retailer 7HK$114,004 HKD

34 data points across 11 retailers

4 retailersHK$79,450 HKD to HK$107,262 HKD

B+
Cheapest Retailer
-
HK$79,450 HKD
$10,126 USD
B+
Retailer 2
-
HK$81,050 HKD
$10,330 USD
View
B
Retailer 3
-
HK$88,848 HKD
$11,324 USD
View
Most Expensive
B
77 Diamonds
MQZF6ZUFXRS · Nov 1
HK$107,262 HKD
£10,764 GBP
View
3 more retailers have this diamond
Prices start from HK$79,450 HKDSave up to HK$27,812 HKD

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
HK$79,450 HKD