CaratHunter
Plans
Marquise|Natural|GIA

1.00ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 6551185021

Certificate GIA 6551185021

Diamond specifications and retailer prices

From HK$30,055 HKD
As of November 5, 2026
Save HK$36,959 HKD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$67,014 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 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 6551185021. Listed at 21 retailers as of November 5, 2026, with prices from HK$30,055 to HK$67,014, a HK$36,959 spread on the same certified stone. NZ Jewellers lists it at HK$67,014. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551185021
Dimensions10.31 × 5.06 × 3.18 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizeNone
Top View
10.31 mm5.06 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551185021
Side View
Table 56.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 62.8%

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$67,014 HKD|Low: HK$30,667 HKD|High: HK$67,014 HKD|Avg: HK$41,842 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
November 6, 2026
Retailer 9HK$30,667 HKD
Retailer 12HK$32,730 HKD
Retailer 4HK$32,895 HKD
Retailer 11HK$33,028 HKD
Retailer 3HK$34,848 HKD
Retailer 13HK$34,848 HKD
Retailer 2HK$37,641 HKD
Retailer 5HK$37,955 HKD
Retailer 10HK$38,771 HKD
Retailer 8HK$43,345 HKD
Retailer 6HK$46,930 HKD
Retailer 7HK$61,091 HKD
NZ JewellersHK$67,014 HKD

46 data points across 13 retailers

21 retailersHK$30,055 HKD to HK$67,014 HKD

B+
Cheapest Retailer
-
HK$30,055 HKD
B+
Retailer 2
-
HK$30,667 HKD
View
B+
Retailer 3
-
HK$31,804 HKD
View
B+
Retailer 4
-
HK$32,730 HKD
View
B+
Retailer 5
-
HK$32,895 HKD
View
B+
Retailer 6
-
HK$33,028 HKD
View
Retailer 7
-
HK$34,848 HKD
View
Price last confirmed 8 days ago
B
Retailer 8
-
HK$34,848 HKD
View
B
Retailer 9
-
HK$34,848 HKD
View
B+
Retailer 10
-
HK$37,641 HKD
View
B
Retailer 11
-
HK$37,955 HKD
View
Retailer 12
-
HK$38,771 HKD
View
Price last confirmed 28 days ago
B
Retailer 13
-
HK$39,148 HKD
View
B
Retailer 14
-
HK$39,148 HKD
View
B
Retailer 15
-
HK$40,207 HKD
View
B
Retailer 16
-
HK$40,481 HKD
View
Retailer 17
-
HK$42,474 HKD
View
Price last confirmed 14 days ago
B
Retailer 18
-
HK$43,345 HKD
View
B
Retailer 19
-
HK$46,930 HKD
View
B
Retailer 20
-
HK$61,091 HKD
View
Most Expensive
B
NZ Jewellers
f3e8fe6d-4665-4962-b68a-9e5acc960959 · Nov 5
HK$67,014 HKD
$8,542 USD
View
20 more retailers have this diamond
Prices start from HK$30,055 HKDSave up to HK$36,959 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$30,055 HKD