Radiant|Natural|GIA

1.21ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 7566208623

Certificate GIA 7566208623

Diamond specifications and retailer prices

From $3,557 USD
As of November 4, 2026
Save $2,820 USD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,377 USD 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566208623. Listed at 12 retailers as of November 4, 2026, with prices from $3,557 to $6,377, a $2,820 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,377. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7566208623
Dimensions7.71 × 5.36 × 3.44 mm
L/W Ratio1.44
Culet sizeNone
Top View
7.71 mm5.36 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566208623
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.3%

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: $4,105 USD|Low: $3,557 USD|High: $6,377 USD|Avg: $4,500 USD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 7, 2026
Retailer 10$3,557 USD
Retailer 6$3,643 USD
Retailer 8$3,801 USD
Retailer 7$3,845 USD
Retailer 3$3,883 USD
Retailer 1$4,105 USD
Retailer 2$4,513 USD
Retailer 11$4,553 USD
Retailer 5$4,582 USD
Retailer 4$4,935 USD
Retailer 9$6,373 USD
Wholesale Diamonds Direct$6,377 USD

41 data points across 12 retailers

12 retailers$3,557 USD to $6,377 USD

B+
Cheapest Retailer
-
$3,557 USD
B+
Retailer 2
-
$3,643 USD
View
B+
Retailer 3
-
$3,801 USD
View
Retailer 4
-
$3,845 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$3,883 USD
View
B+
Retailer 6
-
$4,105 USD
View
B+
Retailer 7
-
$4,513 USD
View
B+
Retailer 8
-
$4,553 USD
View
B+
Retailer 9
-
$4,582 USD
View
B+
Retailer 10
-
$4,935 USD
View
B
Retailer 11
-
$6,373 USD
View
Most Expensive
B
Wholesale Diamonds Direct
369337217 · Nov 6
$6,377 USD
View
11 more retailers have this diamond
Prices start from $3,557 USDSave up to $2,820 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
$3,557 USD