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Marquise|Natural|GIA

1.00ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 6552654453

Certificate GIA 6552654453

Diamond specifications and retailer prices

From HK$24,767 HKD
As of November 4, 2026
Save HK$22,335 HKD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$47,103 HKD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E 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 6552654453. Listed at 15 retailers as of November 4, 2026, with prices from HK$24,767 to HK$47,103, a HK$22,335 spread on the same certified stone. Helzberg Diamonds lists it at HK$47,103. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.79°
Pavilion angle41.05°
OriginNatural
Grading LabGIA
CertificateGIA 6552654453
Dimensions10.44 × 5.06 × 3.18 mm
L/W Ratio2.06
Culet sizeNone
Top View
10.44 mm5.06 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552654453
Side View
Table 58.0%Crown 35.79°Girdle: MED-VTKPavilion 41.05°Culet: NoneDepth 62.8%

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 4
Current: HK$47,103 HKD|Low: HK$24,767 HKD|High: HK$47,103 HKD|Avg: HK$32,445 HKD|+4.0%
Helzberg Diamonds
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
November 6, 2026
Retailer 11HK$24,767 HKD
Retailer 9HK$25,371 HKD
Retailer 6HK$25,442 HKD
Retailer 12HK$26,705 HKD
Retailer 13HK$26,752 HKD
Retailer 8HK$28,721 HKD
Retailer 5HK$29,827 HKD
Retailer 3HK$31,624 HKD
Retailer 4HK$32,110 HKD
Retailer 7HK$32,926 HKD
Retailer 2HK$34,370 HKD
Retailer 14HK$41,776 HKD
Retailer 10HK$44,443 HKD
Helzberg DiamondsHK$47,103 HKD

34 data points across 14 retailers

15 retailersHK$24,767 HKD to HK$47,103 HKD

A
Cheapest Retailer
-
HK$24,767 HKD
A
Retailer 2
-
HK$25,371 HKD
View
A
Retailer 3
-
HK$25,442 HKD
View
A
Retailer 4
-
HK$26,705 HKD
View
B+
Retailer 5
-
HK$26,752 HKD
View
B+
Retailer 6
-
HK$28,721 HKD
View
B+
Retailer 7
-
HK$29,827 HKD
View
B+
Retailer 8
-
HK$31,624 HKD
View
B+
Retailer 9
-
HK$32,110 HKD
View
B+
Retailer 10
-
HK$32,926 HKD
View
B
Retailer 11
-
HK$34,064 HKD
View
B+
Retailer 12
-
HK$34,370 HKD
View
B
Retailer 13
-
HK$41,776 HKD
View
B
Retailer 14
-
HK$44,443 HKD
View
Most Expensive
B
Helzberg Diamonds
XZRMLLIMLKKLJ · Nov 6
HK$47,103 HKD
$6,004 USD
View
14 more retailers have this diamond
Prices start from HK$24,767 HKDSave up to HK$22,335 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$24,767 HKD