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Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From HK$39,500 HKD
As of November 1, 2026
Save HK$47,981 HKD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$87,481 HKD at NZ Jewellers · As of November 5, 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. Listed at 10 retailers as of November 1, 2026, with prices from HK$39,500 to HK$87,481, a HK$47,981 spread on the same certified stone. NZ Jewellers lists it at HK$87,481. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.20 × 5.74 × 3.29 mm
L/W Ratio1.78
Top View
10.20 mm5.74 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 68.0%CrownGirdle: ThickPavilionCuletDepth 57.3%

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 1
Current: HK$87,481 HKD|Low: HK$39,500 HKD|High: HK$98,508 HKD|Avg: HK$54,598 HKD|-11.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8HK$39,500 HKD
Retailer 7HK$44,861 HKD
Retailer 3HK$47,385 HKD
Retailer 4HK$47,385 HKD
Retailer 5HK$47,385 HKD
Retailer 10HK$47,691 HKD
Retailer 2HK$50,747 HKD
Retailer 9HK$52,989 HKD
Retailer 6HK$54,682 HKD
NZ JewellersHK$87,481 HKD

30 data points across 10 retailers

10 retailersHK$39,500 HKD to HK$87,481 HKD

B+
Cheapest Retailer
-
HK$39,500 HKD
B
Retailer 2
-
HK$44,861 HKD
View
Retailer 3
-
HK$47,385 HKD
View
Price last confirmed 9 days ago
B
Retailer 4
-
HK$47,385 HKD
View
B
Retailer 5
-
HK$47,385 HKD
View
B
Retailer 6
-
HK$47,691 HKD
View
B
Retailer 7
-
HK$50,747 HKD
View
B
Retailer 8
-
HK$52,989 HKD
View
B
Retailer 9
-
HK$54,682 HKD
View
Most Expensive
C
NZ Jewellers
e9cb07d0-8cb8-4821-aee2-af32967f0286 · Nov 5
HK$87,481 HKD
$11,162 USD
View
9 more retailers have this diamond
Prices start from HK$39,500 HKDSave up to HK$47,981 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$39,500 HKD