CaratHunter
Plans
Marquise|Natural|GIA

1.21ct H SI1 Marquise Natural Diamond

VG • H/SI1 • GIA 6551464362

Certificate GIA 6551464362

Diamond specifications and retailer prices

From HK$51,374 HKD
$6,555 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: HK$51,374 HKD at Shane Co
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Shane Co

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 SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6551464362. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.57°
Pavilion angle41.84°
OriginNatural
Grading LabGIA
CertificateGIA 6551464362
Dimensions10.28 × 5.55 × 3.62 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.28 mm5.55 mm1.21 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551464362
Side View
Table 58.0%Crown 38.57°Girdle: STK-VTKPavilion 41.84°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
C
Average
Compare with similar diamonds
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$39,634 HKD|Low: HK$26,780 HKD|High: HK$67,590 HKD|Avg: HK$47,295 HKD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Shane Co
October 2, 2026
Retailer 7HK$26,780 HKD
Retailer 8HK$36,906 HKD
Retailer 11HK$38,850 HKD
Retailer 1HK$39,634 HKD
Retailer 2HK$44,219 HKD
Retailer 3HK$45,065 HKD
Retailer 10HK$45,841 HKD
Retailer 12HK$47,612 HKD
Shane CoHK$51,374 HKD
Retailer 4HK$52,887 HKD
Retailer 5HK$53,435 HKD
Retailer 9HK$60,614 HKD
Retailer 6HK$65,113 HKD

18 data points across 13 retailers

1 retailer

C
Shane Co
26H0QGG · Nov 6
HK$51,374 HKD
$6,555 USD
View

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.

C
1.21ct Marquise
HK$51,374 HKD