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Oval|Natural|GIA

1.21ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 6542323812

Certificate GIA 6542323812

Diamond specifications and retailer prices

From HK$30,840 HKD
As of November 6, 2026
Save HK$36,993 HKD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$67,833 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded F 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 6542323812. Listed at 14 retailers as of November 2, 2026, with prices from HK$30,840 to HK$67,833, a HK$36,993 spread on the same certified stone. MOH London lists it at HK$67,833. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542323812
Dimensions8.47 × 5.96 × 3.71 mm
L/W Ratio1.42
Top View
8.47 mm5.96 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542323812
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.3%

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 6
Current: HK$67,833 HKD|Low: HK$30,840 HKD|High: HK$68,649 HKD|Avg: HK$44,192 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3HK$30,840 HKD
Retailer 9HK$31,608 HKD
Retailer 10HK$34,054 HKD
Retailer 6HK$39,242 HKD
Retailer 7HK$40,621 HKD
Retailer 2HK$41,146 HKD
Retailer 8HK$42,933 HKD
Retailer 4HK$48,176 HKD
Retailer 5HK$61,665 HKD
MOH LondonHK$67,833 HKD

46 data points across 10 retailers

14 retailersHK$30,840 HKD to HK$67,833 HKD

B+
Cheapest Retailer
-
HK$30,840 HKD
B+
Retailer 2
-
HK$31,608 HKD
View
B+
Retailer 3
-
HK$34,054 HKD
View
B
Retailer 4
-
HK$39,242 HKD
View
B
Retailer 5
-
HK$40,621 HKD
View
B
Retailer 6
-
HK$41,146 HKD
View
Retailer 7
-
HK$42,933 HKD
View
Price last confirmed 29 days ago
B
Retailer 8
-
HK$43,262 HKD
View
B
Retailer 9
-
HK$43,262 HKD
View
B
Retailer 10
-
HK$43,725 HKD
View
B
Retailer 11
-
HK$44,673 HKD
View
B
Retailer 12
-
HK$48,176 HKD
View
B
Retailer 13
-
HK$61,665 HKD
View
Most Expensive
B
MOH London
827C398C0 · Nov 2
HK$67,833 HKD
£6,815 GBP
View
13 more retailers have this diamond
Prices start from HK$30,840 HKDSave up to HK$36,993 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 Oval
HK$30,840 HKD