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Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1509523552

Certificate GIA 1509523552

Diamond specifications and retailer prices

From HK$24,331 HKD
£2,442 GBP
As of October 30, 2026
Save HK$23,559 HKD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$47,890 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 1509523552. Listed at 12 retailers as of October 30, 2026, with prices from HK$24,331 to HK$47,890, a HK$23,559 spread on the same certified stone. NZ Jewellers lists it at HK$47,890. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1509523552
Dimensions6.75 × 6.80 × 4.23 mm
L/W Ratio1.01
Top View
6.75 mm6.80 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1509523552
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.0%

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$24,331 HKD|Low: HK$24,250 HKD|High: HK$46,522 HKD|Avg: HK$31,720 HKD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 1HK$24,331 HKD
Retailer 5HK$24,400 HKD
Retailer 2HK$28,549 HKD
Retailer 3HK$32,186 HKD
Retailer 4HK$46,213 HKD

43 data points across 5 retailers

12 retailersHK$24,331 HKD to HK$47,890 HKD

A
Cheapest Retailer
-
HK$24,331 HKD
£2,442 GBP
A
Retailer 2
-
HK$24,400 HKD
$3,110 USD
View
Retailer 3
-
HK$24,910 HKD
$3,175 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
HK$27,483 HKD
$3,503 USD
View
A
Retailer 5
-
HK$27,483 HKD
$3,503 USD
View
B+
Retailer 6
-
HK$28,536 HKD
SGD 4,915 SGD
View
B+
Retailer 7
-
HK$28,543 HKD
$3,638 USD
View
A
Retailer 8
-
HK$28,549 HKD
£2,865 GBP
View
B+
Retailer 9
-
HK$31,712 HKD
$4,042 USD
View
B+
Retailer 10
-
HK$32,186 HKD
€3,907 EUR
View
B
Retailer 11
-
HK$46,213 HKD
£4,638 GBP
View
Most Expensive
B
NZ Jewellers
f9f848ad-713c-47f4-a762-4686ae3f456c · Oct 30
HK$47,890 HKD
$6,104 USD
View
11 more retailers have this diamond
Prices start from HK$24,331 HKDSave up to HK$23,559 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$24,331 HKD