CaratHunter
Plans
Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2558742549

Certificate GIA 2558742549

Diamond specifications and retailer prices

From HK$24,235 HKD
$3,089 USD
As of October 31, 2026
Save HK$30,696 HKD (56%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: HK$54,931 HKD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558742549. Listed at 34 retailers as of October 30, 2026, with prices from HK$24,235 to HK$54,931, a HK$30,696 spread on the same certified stone. NZ Jewellers lists it at HK$54,931. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558742549
Dimensions9.82 × 5.17 × 3.28 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
9.82 mm5.17 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558742549
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.5%

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: Oct 31
Current: HK$54,931 HKD|Low: HK$20,603 HKD|High: HK$54,931 HKD|Avg: HK$31,607 HKD
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
Retailer 31
Retailer 32
Retailer 33
Retailer 34
November 2, 2026
Retailer 28HK$20,667 HKD
Retailer 7HK$24,235 HKD
Retailer 33HK$24,292 HKD
Retailer 5HK$24,558 HKD
Retailer 4HK$24,849 HKD
Retailer 32HK$24,856 HKD
Retailer 16HK$25,359 HKD
Retailer 19HK$26,363 HKD
Retailer 27HK$27,408 HKD
Retailer 15HK$27,422 HKD
Retailer 17HK$27,958 HKD
Retailer 6HK$28,568 HKD
Retailer 31HK$28,568 HKD
Retailer 12HK$28,585 HKD
Retailer 22HK$29,415 HKD
Retailer 9HK$29,666 HKD
Retailer 20HK$29,870 HKD
Retailer 21HK$30,482 HKD
Retailer 8HK$30,521 HKD
Retailer 2HK$30,755 HKD
Retailer 10HK$31,071 HKD
Retailer 24HK$31,987 HKD
Retailer 23HK$31,996 HKD
Retailer 11HK$32,326 HKD
Retailer 34HK$32,326 HKD
Retailer 14HK$32,961 HKD
Retailer 3HK$33,346 HKD
Retailer 18HK$33,685 HKD
Retailer 13HK$34,758 HKD
Retailer 30HK$38,758 HKD
Retailer 26HK$41,453 HKD
Retailer 25HK$45,570 HKD
Retailer 29HK$52,732 HKD
NZ JewellersHK$54,931 HKD

25 data points across 34 retailers

34 retailersHK$24,235 HKD to HK$54,931 HKD

Retailer 1
-
HK$19,283 HKD
Price last confirmed 31 days ago
Retailer 2
-
HK$23,052 HKD
$2,938 USD
View
Price last confirmed 46 days ago
B+
Retailer 3
-
HK$24,235 HKD
$3,089 USD
View
B+
Retailer 4
-
HK$24,292 HKD
$3,096 USD
View
B+
Retailer 5
-
HK$24,558 HKD
$3,130 USD
View
B+
Retailer 6
-
HK$24,849 HKD
$3,167 USD
View
B+
Retailer 7
-
HK$24,856 HKD
$3,168 USD
View
B+
Retailer 8
-
HK$25,359 HKD
$3,232 USD
View
B+
Retailer 9
-
HK$26,363 HKD
$3,360 USD
View
Final sale: no returns
Retailer 10
-
HK$27,408 HKD
A$5,374 AUD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
HK$27,422 HKD
$3,495 USD
View
B+
Retailer 12
-
HK$27,958 HKD
CA$4,949 CAD
View
B+
Retailer 13
-
HK$28,568 HKD
$3,641 USD
View
B+
Retailer 14
-
HK$28,568 HKD
$3,641 USD
View
B+
Retailer 15
-
HK$28,585 HKD
$3,643 USD
View
Retailer 16
-
HK$29,415 HKD
$3,749 USD
View
Price last confirmed 18 days ago
B+
Retailer 17
-
HK$29,666 HKD
$3,781 USD
View
B+
Retailer 18
-
HK$29,870 HKD
$3,807 USD
View
B
Retailer 19
-
HK$30,482 HKD
$3,885 USD
View
B
Retailer 20
-
HK$30,521 HKD
$3,890 USD
View
B+
Retailer 21
-
HK$30,755 HKD
£3,086 GBP
View
B
Retailer 22
-
HK$31,071 HKD
$3,960 USD
View
B+
Retailer 23
-
HK$31,987 HKD
£3,210 GBP
View
B+
Retailer 24
-
HK$31,996 HKD
$4,078 USD
View
B+
Retailer 25
-
HK$32,326 HKD
$4,120 USD
View
B+
Retailer 26
-
HK$32,326 HKD
$4,120 USD
View
B+
Retailer 27
-
HK$32,961 HKD
$4,201 USD
View
B
Retailer 28
-
HK$33,346 HKD
$4,250 USD
View
B
Retailer 29
-
HK$33,685 HKD
$4,293 USD
View
B+
Retailer 30
-
HK$34,758 HKD
€4,219 EUR
View
B
Retailer 31
-
HK$38,758 HKD
ZAR 79,802 ZAR
View
B
Retailer 32
-
HK$45,570 HKD
$5,808 USD
View
Price last confirmed 7 days ago
B
Retailer 33
-
HK$52,732 HKD
£5,292 GBP
View
Most Expensive
B
NZ Jewellers
36cae81a-756a-49e3-a00f-d328032eb3c2 · Oct 30
HK$54,931 HKD
$7,001 USD
View
33 more retailers have this diamond
Prices start from HK$24,235 HKDSave up to HK$30,696 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$24,235 HKD