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Marquise|Natural|GIA

1.00ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6541818171

Certificate GIA 6541818171

Diamond specifications and retailer prices

From HK$23,319 HKD
$2,972 USD
As of November 2, 2026
Save HK$24,676 HKD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$47,995 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541818171. Listed at 16 retailers as of October 30, 2026, with prices from HK$23,319 to HK$47,995, a HK$24,676 spread on the same certified stone. NZ Jewellers lists it at HK$47,995. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541818171
Dimensions9.77 × 5.26 × 3.19 mm
L/W Ratio1.86
Top View
9.77 mm5.26 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541818171
Side View
Table 60.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 60.6%

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 2
Current: HK$47,995 HKD|Low: HK$23,232 HKD|High: HK$47,995 HKD|Avg: HK$30,350 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
November 2, 2026
Retailer 7HK$23,319 HKD
Retailer 12HK$24,958 HKD
Retailer 15HK$24,958 HKD
Retailer 14HK$25,916 HKD
Retailer 6HK$26,842 HKD
Retailer 4HK$28,324 HKD
Retailer 5HK$28,324 HKD
Retailer 9HK$28,550 HKD
Retailer 13HK$28,795 HKD
Retailer 3HK$29,266 HKD
Retailer 16HK$29,537 HKD
Retailer 2HK$30,334 HKD
Retailer 8HK$31,212 HKD
Retailer 11HK$33,861 HKD
Retailer 10HK$46,066 HKD
NZ JewellersHK$47,995 HKD

42 data points across 16 retailers

16 retailersHK$23,319 HKD to HK$47,995 HKD

B+
Cheapest Retailer
-
HK$23,319 HKD
$2,972 USD
B+
Retailer 2
-
HK$24,958 HKD
$3,181 USD
View
B+
Retailer 3
-
HK$24,958 HKD
$3,181 USD
View
B+
Retailer 4
-
HK$25,916 HKD
$3,303 USD
View
B
Retailer 5
-
HK$26,842 HKD
$3,421 USD
View
B+
Retailer 6
-
HK$28,324 HKD
$3,610 USD
View
B+
Retailer 7
-
HK$28,324 HKD
$3,610 USD
View
B+
Retailer 8
-
HK$28,550 HKD
£2,865 GBP
View
B
Retailer 9
-
HK$28,795 HKD
$3,670 USD
View
B
Retailer 10
-
HK$29,266 HKD
$3,730 USD
View
Retailer 11
-
HK$29,537 HKD
A$5,792 AUD
View
Price last confirmed 30 days ago
B
Retailer 12
-
HK$30,334 HKD
€3,682 EUR
View
Retailer 13
-
HK$31,212 HKD
$3,978 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
HK$33,861 HKD
ZAR 69,719 ZAR
View
B
Retailer 15
-
HK$46,066 HKD
£4,623 GBP
View
Most Expensive
B
NZ Jewellers
8949f649-d9ed-47ef-bd18-7dc83a964ae4 · Oct 30
HK$47,995 HKD
$6,117 USD
View
15 more retailers have this diamond
Prices start from HK$23,319 HKDSave up to HK$24,676 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$23,319 HKD