Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 7566324802

Certificate GIA 7566324802

Diamond specifications and retailer prices

From $3,173 USD
As of November 6, 2026
Save $4,243 USD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,416 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 7566324802. Listed at 16 retailers as of November 5, 2026, with prices from $3,173 to $7,416, a $4,243 spread on the same certified stone. NZ Jewellers lists it at $7,416. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7566324802
Dimensions7.07 × 5.42 × 3.72 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.07 mm5.42 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7566324802
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $7,416 USD|Low: $3,148 USD|High: $7,722 USD|Avg: $4,571 USD|-4.0%
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
Retailer 15
November 7, 2026
Retailer 11$3,173 USD
Retailer 12$3,187 USD
Retailer 5$3,873 USD
Retailer 4$3,929 USD
Retailer 3$4,010 USD
Retailer 8$4,156 USD
Retailer 13$4,257 USD
Retailer 14$4,257 USD
Retailer 10$4,260 USD
Retailer 15$4,504 USD
Retailer 7$4,556 USD
Retailer 6$4,912 USD
Retailer 2$5,275 USD
Retailer 9$7,080 USD
NZ Jewellers$7,416 USD

30 data points across 15 retailers

16 retailers$3,173 USD to $7,416 USD

B+
Cheapest Retailer
-
$3,173 USD
B+
Retailer 2
-
$3,187 USD
View
B+
Retailer 3
-
$3,533 USD
View
B+
Retailer 4
-
$3,873 USD
View
B+
Retailer 5
-
$3,929 USD
View
Final sale: no returns
Retailer 6
-
$4,010 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$4,156 USD
View
B+
Retailer 8
-
$4,257 USD
View
B+
Retailer 9
-
$4,257 USD
View
B+
Retailer 10
-
$4,260 USD
View
B+
Retailer 11
-
$4,504 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$4,556 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$4,912 USD
View
Retailer 14
-
$5,275 USD
View
B
Retailer 15
-
$7,080 USD
View
Most Expensive
B
NZ Jewellers
32679ae2-adf4-4ffa-b85f-ca694f563f22 · Nov 5
$7,416 USD
View
15 more retailers have this diamond
Prices start from $3,173 USDSave up to $4,243 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
$3,173 USD