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Marquise|Natural|GIA

1.00ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2557785905

Certificate GIA 2557785905

Diamond specifications and retailer prices

From HK$24,852 HKD
As of November 5, 2026
Save HK$28,991 HKD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$53,843 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-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 2557785905. Listed at 14 retailers as of November 5, 2026, with prices from HK$24,852 to HK$53,843, a HK$28,991 spread on the same certified stone. NZ Jewellers lists it at HK$53,843. 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

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557785905
Dimensions10.00 × 5.22 × 3.34 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Top View
10.00 mm5.22 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557785905
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 64.0%

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 5
Current: HK$30,386 HKD|Low: HK$24,852 HKD|High: HK$52,299 HKD|Avg: HK$31,086 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7HK$24,852 HKD
Retailer 5HK$25,236 HKD
Retailer 2HK$25,903 HKD
Retailer 8HK$26,294 HKD
Retailer 10HK$27,995 HKD
Retailer 9HK$29,077 HKD
Retailer 1HK$30,386 HKD
Retailer 4HK$31,114 HKD
Retailer 3HK$33,905 HKD
Retailer 6HK$51,672 HKD

42 data points across 10 retailers

14 retailersHK$24,852 HKD to HK$53,843 HKD

B+
Cheapest Retailer
-
HK$24,852 HKD
B+
Retailer 2
-
HK$25,236 HKD
View
B+
Retailer 3
-
HK$25,903 HKD
View
B+
Retailer 4
-
HK$26,294 HKD
View
B+
Retailer 5
-
HK$27,995 HKD
View
Retailer 6
-
HK$27,995 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$29,077 HKD
View
B+
Retailer 8
-
HK$30,386 HKD
View
B
Retailer 9
-
HK$31,114 HKD
View
B
Retailer 10
-
HK$32,306 HKD
View
B+
Retailer 11
-
HK$33,905 HKD
View
Retailer 12
-
HK$34,986 HKD
View
Price last confirmed 15 days ago
B
Retailer 13
-
HK$51,672 HKD
View
Most Expensive
B
NZ Jewellers
f7c2cd6e-a9fd-43ed-a2d8-cd0186ba7a74 · Nov 5
HK$53,843 HKD
$6,870 USD
View
13 more retailers have this diamond
Prices start from HK$24,852 HKDSave up to HK$28,991 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+
1.00ct Marquise
HK$24,852 HKD