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Oval|Natural|GIA

1.21ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 7566414279

Certificate GIA 7566414279

Diamond specifications and retailer prices

From $3,527 SGD
As of November 5, 2026
Save $3,494 SGD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,021 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566414279. Listed at 13 retailers as of November 5, 2026, with prices from $3,527 to $7,021, a $3,494 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,021. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.99°
Pavilion angle39.39°
OriginNatural
Grading LabGIA
CertificateGIA 7566414279
Dimensions8.28 × 5.96 × 3.71 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.28 mm5.96 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7566414279
Side View
Table 60.0%Crown 39.99°Girdle: STK-THKPavilion 39.39°Culet: NDepth 62.3%

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: $4,196 SGD|Low: $3,508 SGD|High: $7,233 SGD|Avg: $4,905 SGD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 7$3,527 SGD
Retailer 8$3,892 SGD
Retailer 4$4,011 SGD
Retailer 1$4,196 SGD
Retailer 10$4,205 SGD
Retailer 3$4,300 SGD
Retailer 6$4,541 SGD
Retailer 2$4,688 SGD
Retailer 11$4,979 SGD
Retailer 12$5,067 SGD
Retailer 5$5,184 SGD
Retailer 9$6,564 SGD
Wholesale Diamonds Direct$7,021 SGD

39 data points across 13 retailers

13 retailers$3,527 SGD to $7,021 SGD

A
Cheapest Retailer
-
$3,527 SGD
A
Retailer 2
-
$3,892 SGD
View
A
Retailer 3
-
$4,011 SGD
View
B+
Retailer 4
-
$4,196 SGD
View
B+
Retailer 5
-
$4,205 SGD
View
B+
Retailer 6
-
$4,300 SGD
View
B+
Retailer 7
-
$4,541 SGD
View
B+
Retailer 8
-
$4,688 SGD
View
B+
Retailer 9
-
$4,979 SGD
View
B+
Retailer 10
-
$5,067 SGD
View
B+
Retailer 11
-
$5,184 SGD
View
B
Retailer 12
-
$6,564 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
418966274 · Nov 6
$7,021 SGD
$5,478 USD
View
12 more retailers have this diamond
Prices start from $3,527 SGDSave up to $3,494 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 Oval
$3,527 SGD