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Radiant|Natural|GIA

1.21ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 2245052938

Certificate GIA 2245052938

Diamond specifications and retailer prices

From HK$16,843 HKD
SGD 2,901 SGD
As of October 31, 2026
Save HK$15,929 HKD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$32,771 HKD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G 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 2245052938. Listed at 11 retailers as of October 31, 2026, with prices from HK$16,843 to HK$32,771, a HK$15,929 spread on the same certified stone. Helzberg Diamonds lists it at HK$32,771. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245052938
Dimensions7.39 × 5.46 × 3.69 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.39 mm5.46 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245052938
Side View
Table 69.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 67.6%

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 31
Current: HK$32,771 HKD|Low: HK$16,843 HKD|High: HK$34,764 HKD|Avg: HK$23,655 HKD|-5.7%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5HK$16,843 HKD
Retailer 9HK$18,131 HKD
Retailer 7HK$18,280 HKD
Retailer 8HK$18,289 HKD
Retailer 4HK$19,766 HKD
Retailer 11HK$19,908 HKD
Retailer 6HK$21,560 HKD
Retailer 10HK$22,602 HKD
Retailer 2HK$23,544 HKD
Retailer 3HK$30,642 HKD
Helzberg DiamondsHK$32,771 HKD

38 data points across 11 retailers

11 retailersHK$16,843 HKD to HK$32,771 HKD

A
Cheapest Retailer
-
HK$16,843 HKD
SGD 2,901 SGD
A
Retailer 2
-
HK$18,131 HKD
$2,311 USD
View
A
Retailer 3
-
HK$18,280 HKD
$2,330 USD
View
A
Retailer 4
-
HK$18,289 HKD
$2,331 USD
View
A
Retailer 5
-
HK$19,766 HKD
£1,984 GBP
View
A
Retailer 6
-
HK$19,908 HKD
SGD 3,429 SGD
View
A
Retailer 7
-
HK$21,560 HKD
$2,748 USD
View
A
Retailer 8
-
HK$22,602 HKD
$2,881 USD
View
B+
Retailer 9
-
HK$23,544 HKD
€2,858 EUR
View
B+
Retailer 10
-
HK$30,642 HKD
$3,906 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRIIKLGLIPJO · Nov 1
HK$32,771 HKD
$4,177 USD
View
10 more retailers have this diamond
Prices start from HK$16,843 HKDSave up to HK$15,929 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 Radiant
HK$16,843 HKD