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Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 2557387267

Certificate GIA 2557387267

Diamond specifications and retailer prices

From $3,499 SGD
As of November 4, 2026
Save $4,758 SGD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,848 SGD at NZ Jewellers · As of September 28, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2557387267. Listed at 11 retailers as of November 4, 2026, with a 136% 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
FluorescenceMedium
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557387267
Dimensions6.73 × 6.79 × 4.22 mm
L/W Ratio1.01
Top View
6.73 mm6.79 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557387267
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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 4
Current: $8,256 SGD|Low: $3,499 SGD|High: $8,750 SGD|Avg: $5,538 SGD|-5.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 5$3,499 SGD
Retailer 3$4,077 SGD
Retailer 6$4,271 SGD
Retailer 8$4,479 SGD
Retailer 7$4,929 SGD
Retailer 4$5,499 SGD
Retailer 2$7,903 SGD
NZ Jewellers$8,256 SGD

44 data points across 8 retailers

11 retailers$3,499 SGD to $8,256 SGD

A
Cheapest Retailer
-
$3,499 SGD
A
Retailer 2
-
$4,077 SGD
View
A
Retailer 3
-
$4,271 SGD
View
A
Retailer 4
-
$4,479 SGD
View
Final sale: no returns
Retailer 5
-
$4,929 SGD
View
Price last confirmed 11 days ago
Retailer 6
-
$5,022 SGD
View
Price last confirmed 36 days ago
Retailer 7
-
$5,022 SGD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$5,499 SGD
View
B+
Retailer 9
-
$7,903 SGD
View
B+
Retailer 10
-
$8,256 SGD
View
Most Expensive
NZ Jewellers
c49cbe1c-1fe2-4f6b-9b11-1b00cdaf986d · Sep 28
$8,848 SGD
$6,927 USD
View
Price last confirmed 38 days ago
10 more retailers have this diamond
Prices start from $3,499 SGDSave up to $4,758 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
$3,499 SGD