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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7551216145

Certificate GIA 7551216145

Diamond specifications and retailer prices

From HK$18,038 HKD
$2,299 USD
As of October 28, 2026
Save HK$23,711 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$41,749 HKD at NZ Jewellers · As of October 27, 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 7551216145. Listed at 15 retailers as of October 27, 2026, with prices from HK$18,038 to HK$41,749, a HK$23,711 spread on the same certified stone. NZ Jewellers lists it at HK$41,749. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551216145
Dimensions10.46 × 5.15 × 3.15 mm
L/W Ratio2.03
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
10.46 mm5.15 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551216145
Side View
Table 61.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 61.3%

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: Oct 28
Current: HK$41,749 HKD|Low: HK$16,893 HKD|High: HK$41,749 HKD|Avg: HK$23,167 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
October 29, 2026
Retailer 13HK$18,038 HKD
Retailer 12HK$18,423 HKD
Retailer 15HK$18,650 HKD
Retailer 11HK$19,772 HKD
Retailer 8HK$19,860 HKD
Retailer 3HK$19,968 HKD
Retailer 4HK$19,968 HKD
Retailer 7HK$20,664 HKD
Retailer 5HK$20,894 HKD
Retailer 6HK$21,038 HKD
Retailer 2HK$21,277 HKD
Retailer 14HK$23,044 HKD
Retailer 9HK$24,905 HKD
Retailer 10HK$35,175 HKD
NZ JewellersHK$41,749 HKD

30 data points across 15 retailers

15 retailersHK$18,038 HKD to HK$41,749 HKD

A
Cheapest Retailer
-
HK$18,038 HKD
$2,299 USD
A
Retailer 2
-
HK$18,423 HKD
$2,348 USD
View
Final sale: no returns
A
Retailer 3
-
HK$18,650 HKD
$2,377 USD
View
A
Retailer 4
-
HK$19,772 HKD
$2,520 USD
View
A
Retailer 5
-
HK$19,860 HKD
£1,993 GBP
View
A
Retailer 6
-
HK$19,968 HKD
$2,545 USD
View
A
Retailer 7
-
HK$19,968 HKD
$2,545 USD
View
A
Retailer 8
-
HK$20,664 HKD
SGD 3,559 SGD
View
A
Retailer 9
-
HK$20,894 HKD
$2,663 USD
View
A
Retailer 10
-
HK$21,038 HKD
$2,681 USD
View
A
Retailer 11
-
HK$21,277 HKD
£2,135 GBP
View
A
Retailer 12
-
HK$23,044 HKD
$2,937 USD
View
A
Retailer 13
-
HK$24,905 HKD
€3,023 EUR
View
B
Retailer 14
-
HK$35,175 HKD
£3,530 GBP
View
Most Expensive
B
NZ Jewellers
861c4a32-fc9b-4e26-83d9-01959bbceb4a · Oct 27
HK$41,749 HKD
$5,321 USD
View
14 more retailers have this diamond
Prices start from HK$18,038 HKDSave up to HK$23,711 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$18,038 HKD