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Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 7558513629

Certificate GIA 7558513629

Diamond specifications and retailer prices

From $5,121 SGD
As of November 5, 2026
Save $2,154 SGD (30%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,958 SGD at MOH London · As of October 29, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7558513629. Listed at 8 retailers as of November 5, 2026, with a 42% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558513629
Dimensions6.80 × 6.84 × 4.21 mm
L/W Ratio1.01
Top View
6.80 mm6.84 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558513629
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.8%

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: Nov 5
Current: $10,958 SGD|Low: $5,121 SGD|High: $11,174 SGD|Avg: $7,050 SGD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$5,121 SGD
Retailer 7$5,450 SGD
Retailer 4$5,952 SGD
Retailer 5$6,633 SGD
Retailer 8$6,987 SGD
Retailer 6$7,028 SGD
Retailer 2$7,274 SGD
MOH London$10,958 SGD

45 data points across 8 retailers

8 retailers$5,121 SGD to $7,274 SGD

A
Cheapest Retailer
-
$5,121 SGD
A
Retailer 2
-
$5,450 SGD
View
Final sale: no returns
A
Retailer 3
-
$5,952 SGD
View
Retailer 4
-
$6,633 SGD
View
Price last confirmed 7 days ago
Retailer 5
-
$6,987 SGD
View
Price last confirmed 28 days ago
Retailer 6
-
$7,028 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$7,274 SGD
View
Most Expensive
MOH London
447FB72D3 · Oct 29
$10,958 SGD
£6,755 GBP
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $5,121 SGDSave up to $2,154 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 Round
$5,121 SGD