Oval|Natural|GIA

1.21ct F SI1 Oval Natural Diamond

EX • F/SI1

Diamond specifications and retailer prices

From $3,504 USD
As of November 6, 2026
Save $4,447 USD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,951 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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. Listed at 13 retailers as of November 5, 2026, with prices from $3,504 to $7,951, a $4,447 spread on the same certified stone. NZ Jewellers lists it at $7,951. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions8.04 × 5.90 × 3.79 mm
L/W Ratio1.36
Top View
8.04 mm5.90 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $7,951 USD|Low: $3,465 USD|High: $7,951 USD|Avg: $4,506 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$3,504 USD
Retailer 10$3,510 USD
Retailer 6$4,025 USD
Retailer 7$4,135 USD
Retailer 8$4,135 USD
Retailer 9$4,135 USD
Retailer 11$4,180 USD
Retailer 4$4,323 USD
Retailer 2$4,427 USD
Retailer 12$4,645 USD
Retailer 5$4,771 USD
NZ Jewellers$7,951 USD

32 data points across 12 retailers

13 retailers$3,504 USD to $7,951 USD

B+
Cheapest Retailer
-
$3,504 USD
B+
Retailer 2
-
$3,510 USD
View
B
Retailer 3
-
$4,025 USD
View
Retailer 4
-
$4,135 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$4,135 USD
View
B+
Retailer 6
-
$4,135 USD
View
B+
Retailer 7
-
$4,180 USD
View
B
Retailer 8
-
$4,323 USD
View
B+
Retailer 9
-
$4,427 USD
View
B
Retailer 10
-
$4,645 USD
View
B
Retailer 11
-
$4,771 USD
View
Retailer 12
-
$7,951 USD
View
Price last confirmed 56 days ago
Most Expensive
B
NZ Jewellers
ad24ec50-af50-45fe-b57e-1277079f0dd2 · Nov 5
$7,951 USD
View
12 more retailers have this diamond
Prices start from $3,504 USDSave up to $4,447 USD

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 Oval
$3,504 USD