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Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2556316311

Certificate GIA 2556316311

Diamond specifications and retailer prices

From $2,908 SGD
As of November 5, 2026
Save $3,019 SGD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,927 SGD at Wholesale Diamonds Direct · As of November 3, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556316311. Listed at 12 retailers as of November 3, 2026, with prices from $2,908 to $5,927, a $3,019 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,927. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556316311
Dimensions6.78 × 6.80 × 4.24 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.78 mm6.80 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556316311
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,908 SGD|Low: $2,893 SGD|High: $6,250 SGD|Avg: $4,253 SGD|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$2,908 SGD
Retailer 6$3,284 SGD
Retailer 7$3,571 SGD
Retailer 4$3,811 SGD
Retailer 2$3,956 SGD
Retailer 8$3,998 SGD
Retailer 9$4,239 SGD
Retailer 10$4,363 SGD
Retailer 5$4,379 SGD
Retailer 3$4,509 SGD
Wholesale Diamonds Direct$5,927 SGD

40 data points across 11 retailers

12 retailers$2,908 SGD to $5,927 SGD

A
Cheapest Retailer
-
$2,908 SGD
A
Retailer 2
-
$3,284 SGD
View
A
Retailer 3
-
$3,571 SGD
View
A
Retailer 4
-
$3,811 SGD
View
A
Retailer 5
-
$3,956 SGD
View
A
Retailer 6
-
$3,998 SGD
View
A
Retailer 7
-
$4,239 SGD
View
A
Retailer 8
-
$4,363 SGD
View
A
Retailer 9
-
$4,379 SGD
View
A
Retailer 10
-
$4,509 SGD
View
B+
Retailer 11
-
$4,540 SGD
View
Most Expensive
B+
Wholesale Diamonds Direct
524836331 · Nov 3
$5,927 SGD
$4,640 USD
View
11 more retailers have this diamond
Prices start from $2,908 SGDSave up to $3,019 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
$2,908 SGD