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Marquise|Natural|GIA

1.21ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6552321568

Certificate GIA 6552321568

Diamond specifications and retailer prices

From HK$24,946 HKD
As of November 4, 2026
Save HK$22,493 HKD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$47,440 HKD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552321568. Listed at 12 retailers as of November 4, 2026, with prices from HK$24,946 to HK$47,440, a HK$22,493 spread on the same certified stone. Helzberg Diamonds lists it at HK$47,440. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.45°
Pavilion angle42.02°
OriginNatural
Grading LabGIA
CertificateGIA 6552321568
Dimensions10.69 × 5.65 × 3.55 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.69 mm5.65 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552321568
Side View
Table 61.0%Crown 35.45°Girdle: MED-THKPavilion 42.02°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$47,440 HKD|Low: HK$24,946 HKD|High: HK$47,495 HKD|Avg: HK$32,689 HKD|-0.1%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7HK$24,946 HKD
Retailer 6HK$25,142 HKD
Retailer 5HK$25,558 HKD
Retailer 8HK$26,655 HKD
Retailer 2HK$28,810 HKD
Retailer 11HK$30,041 HKD
Retailer 9HK$31,836 HKD
Retailer 10HK$32,306 HKD
Retailer 4HK$33,184 HKD
Retailer 3HK$44,563 HKD
Helzberg DiamondsHK$47,440 HKD

43 data points across 11 retailers

12 retailersHK$24,946 HKD to HK$47,440 HKD

A
Cheapest Retailer
-
HK$24,946 HKD
A
Retailer 2
-
HK$25,142 HKD
View
A
Retailer 3
-
HK$25,558 HKD
View
B+
Retailer 4
-
HK$26,655 HKD
View
B+
Retailer 5
-
HK$28,810 HKD
View
B+
Retailer 6
-
HK$30,041 HKD
View
B+
Retailer 7
-
HK$31,836 HKD
View
B+
Retailer 8
-
HK$32,306 HKD
View
B+
Retailer 9
-
HK$33,184 HKD
View
B+
Retailer 10
-
HK$33,803 HKD
View
B
Retailer 11
-
HK$44,563 HKD
View
Most Expensive
B
Helzberg Diamonds
XZRMLLIJIHLMO · Nov 6
HK$47,440 HKD
$6,053 USD
View
11 more retailers have this diamond
Prices start from HK$24,946 HKDSave up to HK$22,493 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.

A
1.21ct Marquise
HK$24,946 HKD