Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5526904201

Certificate GIA 5526904201

Diamond specifications and retailer prices

From $4,249 USD
As of November 5, 2026
Save $4,745 USD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,994 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant 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 5526904201. Listed at 20 retailers as of November 5, 2026, with prices from $4,249 to $8,994, a $4,745 spread on the same certified stone. NZ Jewellers lists it at $8,994. 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
FluorescenceNone
Pavilion angle33.5°
OriginNatural
Grading LabGIA
CertificateGIA 5526904201
Dimensions7.12 × 5.27 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.12 mm5.27 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5526904201
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 33.5°Culet: NDepth 66.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,994 USD|Low: $3,748 USD|High: $8,994 USD|Avg: $5,779 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
Retailer 13
Retailer 14
November 7, 2026
Retailer 12$4,249 USD
Retailer 13$4,498 USD
Retailer 6$4,590 USD
Retailer 3$4,872 USD
Retailer 4$4,872 USD
Retailer 5$4,872 USD
Retailer 9$5,195 USD
Retailer 14$5,421 USD
Retailer 7$5,721 USD
Retailer 10$6,051 USD
Retailer 11$6,561 USD
Retailer 2$6,723 USD
Retailer 8$8,519 USD
NZ Jewellers$8,994 USD

45 data points across 14 retailers

20 retailers$4,249 USD to $8,994 USD

B+
Cheapest Retailer
-
$4,249 USD
B
Retailer 2
-
$4,498 USD
View
Final sale: no returns
B
Retailer 3
-
$4,535 USD
View
B
Retailer 4
-
$4,566 USD
View
B
Retailer 5
-
$4,590 USD
View
B
Retailer 6
-
$4,872 USD
View
B
Retailer 7
-
$4,872 USD
View
Retailer 8
-
$4,872 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$5,195 USD
View
B
Retailer 10
-
$5,309 USD
View
Retailer 11
-
$5,421 USD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$5,621 USD
View
Retailer 13
-
$5,721 USD
View
Retailer 14
-
$5,935 USD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$6,051 USD
View
B
Retailer 16
-
$6,070 USD
View
B
Retailer 17
-
$6,561 USD
View
Retailer 18
-
$6,723 USD
View
B
Retailer 19
-
$8,519 USD
View
Most Expensive
B
NZ Jewellers
3c3d90cd-a52c-4c09-96da-7034f867374f · Nov 5
$8,994 USD
View
19 more retailers have this diamond
Prices start from $4,249 USDSave up to $4,745 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 Radiant
$4,249 USD