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Radiant|Natural|GIA

1.21ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2546879767

Certificate GIA 2546879767

Diamond specifications and retailer prices

From $4,270 SGD
As of November 6, 2026
Save $4,625 SGD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,895 SGD at MOH London · As of November 7, 2026
View at MOH London

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546879767. Listed at 12 retailers as of November 6, 2026, with prices from $4,270 to $8,895, a $4,625 spread on the same certified stone. MOH London lists it at $8,895. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546879767
Dimensions7.21 × 5.31 × 3.60 mm
L/W Ratio1.36
Top View
7.21 mm5.31 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546879767
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,895 SGD|Low: $4,270 SGD|High: $9,051 SGD|Avg: $5,973 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8$4,270 SGD
Retailer 9$4,318 SGD
Retailer 7$5,411 SGD
Retailer 6$5,537 SGD
Retailer 3$5,589 SGD
Retailer 2$5,688 SGD
Retailer 4$6,318 SGD
Retailer 5$8,119 SGD
MOH London$8,895 SGD

44 data points across 9 retailers

12 retailers$4,270 SGD to $8,895 SGD

B+
Cheapest Retailer
-
$4,270 SGD
B+
Retailer 2
-
$4,318 SGD
View
B
Retailer 3
-
$5,411 SGD
View
B
Retailer 4
-
$5,537 SGD
View
B
Retailer 5
-
$5,589 SGD
View
B+
Retailer 6
-
$5,688 SGD
View
B
Retailer 7
-
$5,742 SGD
View
B
Retailer 8
-
$5,742 SGD
View
B
Retailer 9
-
$5,934 SGD
View
B
Retailer 10
-
$6,318 SGD
View
B
Retailer 11
-
$8,119 SGD
View
Most Expensive
B
MOH London
2B4605AD0 · Nov 7
$8,895 SGD
£5,465 GBP
View
11 more retailers have this diamond
Prices start from $4,270 SGDSave up to $4,625 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.

B+
1.21ct Radiant
$4,270 SGD