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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 $2,744 SGD
As of October 31, 2026
Save $2,595 SGD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,340 SGD 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 $2,744 to $5,340, a $2,595 spread on the same certified stone. Helzberg Diamonds lists it at $5,340. 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: $5,340 SGD|Low: $2,744 SGD|High: $5,665 SGD|Avg: $3,854 SGD|-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 5$2,744 SGD
Retailer 9$2,954 SGD
Retailer 7$2,979 SGD
Retailer 8$2,980 SGD
Retailer 4$3,221 SGD
Retailer 11$3,244 SGD
Retailer 6$3,513 SGD
Retailer 10$3,683 SGD
Retailer 2$3,836 SGD
Retailer 3$4,993 SGD
Helzberg Diamonds$5,340 SGD

38 data points across 11 retailers

11 retailers$2,744 SGD to $5,340 SGD

A
Cheapest Retailer
-
$2,744 SGD
A
Retailer 2
-
$2,954 SGD
$2,311 USD
View
A
Retailer 3
-
$2,979 SGD
$2,330 USD
View
A
Retailer 4
-
$2,980 SGD
$2,331 USD
View
A
Retailer 5
-
$3,221 SGD
£1,984 GBP
View
A
Retailer 6
-
$3,244 SGD
View
A
Retailer 7
-
$3,513 SGD
$2,748 USD
View
A
Retailer 8
-
$3,683 SGD
$2,881 USD
View
B+
Retailer 9
-
$3,836 SGD
€2,858 EUR
View
B+
Retailer 10
-
$4,993 SGD
$3,906 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRIIKLGLIPJO · Nov 1
$5,340 SGD
$4,177 USD
View
10 more retailers have this diamond
Prices start from $2,744 SGDSave up to $2,595 SGD

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
$2,744 SGD