CaratHunter
Plans
Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2566444631

Certificate GIA 2566444631

Diamond specifications and retailer prices

From $4,916 AUD
As of November 4, 2026
Save $3,917 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,833 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 2566444631. Listed at 14 retailers as of November 4, 2026, with prices from $4,916 to $8,833, a $3,917 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,833. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566444631
Dimensions7.41 × 5.30 × 3.60 mm
L/W Ratio1.40
Culet sizeNone
Top View
7.41 mm5.30 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566444631
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

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 4
Current: $5,675 AUD|Low: $4,916 AUD|High: $8,833 AUD|Avg: $6,374 AUD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 7, 2026
Retailer 12$4,916 AUD
Retailer 3$4,996 AUD
Retailer 8$5,036 AUD
Retailer 10$5,253 AUD
Retailer 9$5,327 AUD
Retailer 5$5,365 AUD
Retailer 1$5,675 AUD
Retailer 11$6,254 AUD
Retailer 4$6,327 AUD
Retailer 7$6,552 AUD
Retailer 6$6,821 AUD
Retailer 2$8,291 AUD
Retailer 13$8,808 AUD
Wholesale Diamonds Direct$8,833 AUD

38 data points across 14 retailers

14 retailers$4,916 AUD to $8,833 AUD

B+
Cheapest Retailer
-
$4,916 AUD
B+
Retailer 2
-
$4,996 AUD
View
B+
Retailer 3
-
$5,036 AUD
View
B+
Retailer 4
-
$5,253 AUD
View
Retailer 5
-
$5,327 AUD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$5,365 AUD
View
B+
Retailer 7
-
$5,675 AUD
View
B
Retailer 8
-
$6,254 AUD
View
B
Retailer 9
-
$6,327 AUD
View
B
Retailer 10
-
$6,552 AUD
View
B
Retailer 11
-
$6,821 AUD
View
B
Retailer 12
-
$8,291 AUD
View
B
Retailer 13
-
$8,808 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
451166363 · Nov 6
$8,833 AUD
$6,069 USD
View
13 more retailers have this diamond
Prices start from $4,916 AUDSave up to $3,917 AUD

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
$4,916 AUD