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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 2556942302

Certificate GIA 2556942302

Diamond specifications and retailer prices

From HK$18,981 HKD
As of November 1, 2026
Save HK$24,973 HKD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$43,954 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 E 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 2556942302. Listed at 18 retailers as of October 30, 2026, with prices from HK$18,981 to HK$43,954, a HK$24,973 spread on the same certified stone. NZ Jewellers lists it at HK$43,954. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556942302
Dimensions9.82 × 5.16 × 3.29 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Natural
Top View
9.82 mm5.16 mm1.00 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556942302
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$43,954 HKD|Low: HK$18,981 HKD|High: HK$43,954 HKD|Avg: HK$28,743 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
November 1, 2026
Retailer 13HK$18,981 HKD
Retailer 2HK$19,879 HKD
Retailer 5HK$22,145 HKD
Retailer 6HK$23,287 HKD
Retailer 10HK$24,947 HKD
Retailer 4HK$25,233 HKD
Retailer 16HK$25,233 HKD
Retailer 17HK$26,198 HKD
Retailer 7HK$26,357 HKD
Retailer 12HK$26,366 HKD
Retailer 8HK$26,447 HKD
Retailer 9HK$27,069 HKD
Retailer 3HK$29,109 HKD
Retailer 14HK$29,535 HKD
Retailer 15HK$41,801 HKD
Retailer 11HK$42,200 HKD
NZ JewellersHK$43,954 HKD

23 data points across 17 retailers

18 retailersHK$18,981 HKD to HK$43,954 HKD

A
Cheapest Retailer
-
HK$18,981 HKD
A
Retailer 2
-
HK$19,879 HKD
₹241,297 INR
View
A
Retailer 3
-
HK$22,145 HKD
SGD 3,814 SGD
View
A
Retailer 4
-
HK$23,287 HKD
$2,968 USD
View
Final sale: no returns
A
Retailer 5
-
HK$23,436 HKD
$2,987 USD
View
A
Retailer 6
-
HK$24,947 HKD
£2,504 GBP
View
A
Retailer 7
-
HK$25,233 HKD
$3,216 USD
View
A
Retailer 8
-
HK$25,233 HKD
$3,216 USD
View
B+
Retailer 9
-
HK$26,198 HKD
$3,339 USD
View
B+
Retailer 10
-
HK$26,357 HKD
$3,359 USD
View
A
Retailer 11
-
HK$26,366 HKD
£2,646 GBP
View
B+
Retailer 12
-
HK$26,447 HKD
SGD 4,555 SGD
View
B+
Retailer 13
-
HK$27,069 HKD
$3,450 USD
View
B+
Retailer 14
-
HK$29,109 HKD
$3,710 USD
View
B+
Retailer 15
-
HK$29,535 HKD
€3,585 EUR
View
B
Retailer 16
-
HK$41,801 HKD
£4,195 GBP
View
B
Retailer 17
-
HK$42,200 HKD
£4,235 GBP
View
Most Expensive
B
NZ Jewellers
5d2f3720-65a6-467a-852d-410bb45f6b80 · Oct 30
HK$43,954 HKD
$5,602 USD
View
17 more retailers have this diamond
Prices start from HK$18,981 HKDSave up to HK$24,973 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.

A
1.00ct Marquise
HK$18,981 HKD