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Round|Natural|GIA

1.21ct F I1 Round Natural Diamond

EX • F/I1 • GIA 6552339821

Certificate GIA 6552339821

Diamond specifications and retailer prices

From $2,243 SGD
HK$13,700 HKD
As of November 1, 2026
Save $1,489 SGD (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,691 SGD at Wholesale Diamonds Direct · As of October 23, 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 F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6552339821. Listed at 5 retailers as of November 1, 2026, with a 66% 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
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552339821
Dimensions6.79 × 6.84 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.79 mm6.84 mm1.21 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552339821
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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 1
Current: $3,732 SGD|Low: $2,243 SGD|High: $5,001 SGD|Avg: $3,442 SGD|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 1, 2026
Retailer 2$2,243 SGD
Retailer 6$2,560 SGD
Retailer 4$2,840 SGD
Retailer 3$3,135 SGD
Retailer 7$3,262 SGD
Retailer 8$3,664 SGD
Retailer 1$3,732 SGD
Retailer 5$3,955 SGD
Wholesale Diamonds Direct$4,691 SGD

22 data points across 9 retailers

5 retailers$2,243 SGD to $3,732 SGD

A
Cheapest Retailer
-
$2,243 SGD
HK$13,700 HKD
B+
Retailer 2
-
$2,840 SGD
$2,221 USD
View
Final sale: no returns
B+
Retailer 3
-
$3,135 SGD
$2,451 USD
View
B+
Retailer 4
-
$3,732 SGD
€2,779 EUR
View
Most Expensive
Wholesale Diamonds Direct
425918513 · Oct 23
$4,691 SGD
$3,668 USD
View
Price last confirmed 10 days ago
4 more retailers have this diamond
Prices start from $2,243 SGDSave up to $1,489 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
$2,243 SGD