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Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 3535398953

Certificate GIA 3535398953

Diamond specifications and retailer prices

From HK$14,518 HKD
₹176,233 INR
As of October 30, 2026
Save HK$11,490 HKD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$35,771 HKD at MOH London · As of October 8, 2026
View at MOH London

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3535398953. Listed at 15 retailers as of October 29, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3535398953
Dimensions6.84 × 6.81 × 4.24 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.84 mm6.81 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3535398953
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: Oct 30
Current: HK$35,771 HKD|Low: HK$14,518 HKD|High: HK$43,857 HKD|Avg: HK$22,949 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 11HK$14,518 HKD
Retailer 10HK$15,236 HKD
Retailer 5HK$18,068 HKD
Retailer 3HK$18,116 HKD
Retailer 4HK$20,226 HKD
Retailer 16HK$21,274 HKD
Retailer 7HK$21,331 HKD
Retailer 8HK$21,654 HKD
Retailer 6HK$21,890 HKD
Retailer 2HK$22,211 HKD
Retailer 9HK$22,547 HKD
Retailer 12HK$23,459 HKD
Retailer 14HK$25,051 HKD
Retailer 13HK$26,008 HKD
MOH LondonHK$35,771 HKD
Retailer 15HK$43,638 HKD

25 data points across 16 retailers

15 retailersHK$14,518 HKD to HK$26,008 HKD

A
Cheapest Retailer
-
HK$14,518 HKD
₹176,233 INR
A
Retailer 2
-
HK$15,236 HKD
$1,942 USD
View
Final sale: no returns
Retailer 3
-
HK$18,068 HKD
£1,813 GBP
View
Price last confirmed 30 days ago
Retailer 4
-
HK$18,116 HKD
$2,309 USD
View
Price last confirmed 21 days ago
Retailer 5
-
HK$20,226 HKD
$2,578 USD
View
Price last confirmed 23 days ago
Retailer 6
-
HK$21,199 HKD
$2,702 USD
View
Price last confirmed 60 days ago
Retailer 7
-
HK$21,331 HKD
$2,719 USD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$21,654 HKD
$2,760 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
HK$22,211 HKD
$2,831 USD
View
A
Retailer 10
-
HK$22,547 HKD
€2,737 EUR
View
A
Retailer 11
-
HK$23,459 HKD
$2,990 USD
View
Retailer 12
-
HK$24,463 HKD
$3,118 USD
View
Price last confirmed 53 days ago
B+
Retailer 13
-
HK$25,051 HKD
$3,193 USD
View
A
Retailer 14
-
HK$26,008 HKD
$3,315 USD
View
Most Expensive
MOH London
9FE46CAFF · Oct 8
HK$35,771 HKD
£3,590 GBP
View
Price last confirmed 22 days ago
14 more retailers have this diamond
Prices start from HK$14,518 HKDSave up to HK$11,490 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 Round
HK$14,518 HKD