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Marquise|Natural|GIA

1.21ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6541969822

Certificate GIA 6541969822

Diamond specifications and retailer prices

From HK$21,137 HKD
As of November 6, 2026
6 retailers carry this diamond
Most expensive: HK$50,826 HKD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541969822. Listed at 6 retailers as of November 6, 2026. 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

1.21
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.09°
Pavilion angle38.44°
OriginNatural
Grading LabGIA
CertificateGIA 6541969822
Dimensions11.40 × 5.31 × 3.22 mm
L/W Ratio2.15
Top View
11.40 mm5.31 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541969822
Side View
Table 57.0%Crown 39.09°Girdle: STK-THKPavilion 38.44°Culet: NoneDepth 60.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$50,826 HKD|Low: HK$17,423 HKD|High: HK$50,826 HKD|Avg: HK$29,040 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
October 6, 2026
Retailer 5HK$17,423 HKD
Retailer 16HK$19,139 HKD
Retailer 3HK$20,260 HKD
Retailer 7HK$21,137 HKD
Retailer 4HK$22,940 HKD
Retailer 6HK$25,793 HKD
Retailer 12HK$25,895 HKD
Retailer 14HK$29,171 HKD
Retailer 10HK$30,292 HKD
Retailer 13HK$30,307 HKD
Retailer 2HK$30,315 HKD
Retailer 11HK$30,362 HKD
Retailer 8HK$32,227 HKD
Retailer 15HK$33,662 HKD
Retailer 9HK$49,368 HKD
NZ JewellersHK$50,826 HKD

10 data points across 16 retailers

6 retailers

B+
Cheapest Retailer
-
HK$21,137 HKD
Retailer 2
-
HK$29,171 HKD
View
Price last confirmed 36 days ago
Retailer 3
-
HK$30,292 HKD
View
Price last confirmed 36 days ago
Retailer 4
-
HK$33,662 HKD
View
Price last confirmed 38 days ago
Retailer 5
-
HK$49,368 HKD
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
fe303aa8-f6d0-4c68-8871-ee0469ae6d00 · Sep 30
HK$50,826 HKD
$6,485 USD
View
Price last confirmed 37 days ago
5 more retailers have this diamond
Prices start from HK$21,137 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+
1.21ct Marquise
HK$21,137 HKD