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Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 7562185918

Certificate GIA 7562185918

Diamond specifications and retailer prices

From HK$43,654 HKD
As of November 5, 2026
Save HK$32,094 HKD (42%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$75,748 HKD at NZ Jewellers · As of November 3, 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 D 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 7562185918. Listed at 9 retailers as of November 3, 2026, with prices from HK$43,654 to HK$75,748, a HK$32,094 spread on the same certified stone. NZ Jewellers lists it at HK$75,748. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle37.43°
Pavilion angle39.32°
OriginNatural
Grading LabGIA
CertificateGIA 7562185918
Dimensions10.67 × 5.57 × 3.49 mm
L/W Ratio1.92
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
10.67 mm5.57 mm1.21 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7562185918
Side View
Table 58.0%Crown 37.43°Girdle: THK-VTKPavilion 39.32°Culet: NoneDepth 62.6%

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 5
Current: HK$75,748 HKD|Low: HK$42,283 HKD|High: HK$79,965 HKD|Avg: HK$53,098 HKD|-5.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5HK$43,654 HKD
Retailer 7HK$43,654 HKD
Retailer 3HK$44,172 HKD
Retailer 6HK$45,284 HKD
Retailer 8HK$45,284 HKD
Retailer 9HK$46,703 HKD
Retailer 2HK$51,178 HKD
Retailer 4HK$66,712 HKD
NZ JewellersHK$75,748 HKD

44 data points across 9 retailers

9 retailersHK$43,654 HKD to HK$75,748 HKD

B+
Cheapest Retailer
-
HK$43,654 HKD
B+
Retailer 2
-
HK$43,654 HKD
View
B+
Retailer 3
-
HK$44,172 HKD
View
B+
Retailer 4
-
HK$45,284 HKD
View
B+
Retailer 5
-
HK$45,284 HKD
View
Retailer 6
-
HK$46,703 HKD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
HK$51,178 HKD
View
B
Retailer 8
-
HK$66,712 HKD
View
Most Expensive
B
NZ Jewellers
8839e944-3533-45b3-ada4-8b9cbfdcc6b5 · Nov 3
HK$75,748 HKD
$9,665 USD
View
8 more retailers have this diamond
Prices start from HK$43,654 HKDSave up to HK$32,094 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$43,654 HKD