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Round|Natural|GIA

1.21ct F I1 Round Natural Diamond

VG • F/I1 • GIA 2173474991

Certificate GIA 2173474991

Diamond specifications and retailer prices

From $4,525 SGD
$3,538 USD
As of November 2, 2026
Save $1,792 SGD (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,317 SGD at Yorxs · As of November 2, 2026
View at Yorxs

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 very-good cut grade and certified by GIA 2173474991. Listed at 4 retailers as of November 2, 2026, with prices from $4,525 to $6,317, a $1,792 spread on the same certified stone. Yorxs lists it at $6,317. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2173474991
Dimensions6.85 × 6.74 × 4.19 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.85 mm6.74 mm1.21 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2173474991
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 61.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,854 SGD|Low: $4,525 SGD|High: $7,497 SGD|Avg: $6,012 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 2, 2026
Retailer 3$4,525 SGD
Retailer 2$4,732 SGD
Retailer 1$5,854 SGD
Yorxs$6,317 SGD
Retailer 4$7,497 SGD

25 data points across 5 retailers

4 retailers$4,525 SGD to $6,317 SGD

B
Cheapest Retailer
-
$4,525 SGD
$3,538 USD
B
Retailer 2
-
$4,732 SGD
$3,700 USD
View
C
Retailer 3
-
$5,854 SGD
$4,577 USD
View
Most Expensive
B
Yorxs
230052137 · Nov 2
$6,317 SGD
€4,704 EUR
View
3 more retailers have this diamond
Prices start from $4,525 SGDSave up to $1,792 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.

B
1.21ct Round
$4,525 SGD