Marquise|Natural|GIA

1.21ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6551248081

Certificate GIA 6551248081

Diamond specifications and retailer prices

From HK$21,694 HKD
As of November 4, 2026
Save HK$17,095 HKD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$38,789 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded I 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 6551248081. Listed at 12 retailers as of November 4, 2026, with prices from HK$21,694 to HK$38,789, a HK$17,095 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$38,789. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551248081
Dimensions11.26 × 5.48 × 3.32 mm
L/W Ratio2.05
Top View
11.26 mm5.48 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551248081
Side View
Table 58.0%Crown 39.8°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 60.5%

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$25,330 HKD|Low: HK$21,694 HKD|High: HK$41,961 HKD|Avg: HK$27,911 HKD|-6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 7, 2026
Retailer 6HK$21,694 HKD
Retailer 5HK$22,219 HKD
Retailer 7HK$23,395 HKD
Retailer 3HK$23,888 HKD
Retailer 1HK$25,330 HKD
Retailer 2HK$26,130 HKD
Retailer 8HK$27,823 HKD
Retailer 9HK$27,893 HKD
Retailer 10HK$28,552 HKD
Retailer 4HK$28,842 HKD
Wholesale Diamonds DirectHK$38,789 HKD

41 data points across 11 retailers

12 retailersHK$21,694 HKD to HK$38,789 HKD

A
Cheapest Retailer
-
HK$21,694 HKD
A
Retailer 2
-
HK$22,219 HKD
View
A
Retailer 3
-
HK$23,395 HKD
View
B+
Retailer 4
-
HK$23,888 HKD
View
A
Retailer 5
-
HK$25,330 HKD
View
B+
Retailer 6
-
HK$26,130 HKD
View
B+
Retailer 7
-
HK$27,823 HKD
View
B+
Retailer 8
-
HK$27,893 HKD
View
B+
Retailer 9
-
HK$28,552 HKD
View
B+
Retailer 10
-
HK$28,842 HKD
View
B
Retailer 11
-
HK$30,919 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
378733586 · Nov 6
HK$38,789 HKD
$4,949 USD
View
11 more retailers have this diamond
Prices start from HK$21,694 HKDSave up to HK$17,095 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$21,694 HKD