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Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 5241043968

Certificate GIA 5241043968

Diamond specifications and retailer prices

From HK$33,912 HKD
As of November 6, 2026
Save HK$31,154 HKD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$65,066 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241043968. Listed at 6 retailers as of November 6, 2026, with prices from HK$33,912 to HK$65,066, a HK$31,154 spread on the same certified stone. MOH London lists it at HK$65,066. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5241043968
Dimensions9.95 × 5.76 × 3.62 mm
L/W Ratio1.73
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Feather, Natural
Top View
9.95 mm5.76 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5241043968
Side View
Table 53.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

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 6
Current: HK$65,066 HKD|Low: HK$33,074 HKD|High: HK$66,121 HKD|Avg: HK$47,215 HKD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 4HK$33,074 HKD
Retailer 2HK$40,590 HKD
Retailer 5HK$45,332 HKD
Retailer 3HK$46,209 HKD
MOH LondonHK$65,066 HKD

35 data points across 5 retailers

6 retailersHK$33,912 HKD to HK$65,066 HKD

Retailer 1
-
HK$33,074 HKD
Price last confirmed 10 days ago
B+
Retailer 2
-
HK$33,912 HKD
View
B+
Retailer 3
-
HK$40,590 HKD
View
Retailer 4
-
HK$45,332 HKD
View
Price last confirmed 25 days ago
B
Retailer 5
-
HK$46,209 HKD
View
Most Expensive
B
MOH London
2F5F63AFF · Nov 7
HK$65,066 HKD
£6,537 GBP
View
5 more retailers have this diamond
Prices start from HK$33,912 HKDSave up to HK$31,154 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$33,912 HKD