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Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552105693

Certificate GIA 6552105693

Diamond specifications and retailer prices

From $3,203 SGD
As of November 4, 2026
Save $3,714 SGD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,541 SGD at NZ Jewellers · As of September 25, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552105693. Listed at 12 retailers as of November 4, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552105693
Dimensions6.79 × 6.77 × 4.26 mm
L/W Ratio1.00
Top View
6.79 mm6.77 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552105693
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 4
Current: $4,453 SGD|Low: $3,172 SGD|High: $7,325 SGD|Avg: $4,762 SGD|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,203 SGD
Retailer 8$3,694 SGD
Retailer 6$3,782 SGD
Retailer 2$3,829 SGD
Retailer 10$4,233 SGD
Retailer 3$4,266 SGD
Retailer 1$4,453 SGD
Retailer 4$4,823 SGD
Retailer 7$6,387 SGD
Retailer 5$6,918 SGD

31 data points across 10 retailers

12 retailers$3,203 SGD to $6,918 SGD

A
Cheapest Retailer
-
$3,203 SGD
A
Retailer 2
-
$3,694 SGD
View
A
Retailer 3
-
$3,782 SGD
View
A
Retailer 4
-
$3,829 SGD
View
Final sale: no returns
A
Retailer 5
-
$4,233 SGD
View
A
Retailer 6
-
$4,266 SGD
View
A
Retailer 7
-
$4,453 SGD
View
A
Retailer 8
-
$4,823 SGD
View
B+
Retailer 9
-
$6,387 SGD
View
B+
Retailer 10
-
$6,918 SGD
View
Retailer 11
-
$7,367 SGD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
761f3a10-8010-4362-948f-597dc9aeb9f5 · Sep 25
$7,541 SGD
$5,904 USD
View
Price last confirmed 41 days ago
11 more retailers have this diamond
Prices start from $3,203 SGDSave up to $3,714 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
$3,203 SGD