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Radiant|Natural|GIA

1.21ct I IF Radiant Natural Diamond

EX • I/IF • GIA 1518234348

Certificate GIA 1518234348

Diamond specifications and retailer prices

From $5,415 USD
As of November 4, 2026
Save $834 USD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,249 USD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1518234348. Listed at 4 retailers as of November 4, 2026, with prices from $5,415 to $6,249, a $834 spread on the same certified stone. 77 Diamonds lists it at $6,249. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1518234348
Dimensions7.59 × 5.08 × 3.47 mm
L/W Ratio1.49
Girdle conditionPolished
Culet sizeNone
Top View
7.59 mm5.08 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1518234348
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 68.3%

Caratlytics Score

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

Last verified: Nov 4
Current: $6,249 USD|Low: $5,415 USD|High: $6,330 USD|Avg: $5,851 USD|+1.1%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2$5,415 USD
77 Diamonds$6,249 USD

35 data points across 2 retailers

4 retailers$5,415 USD to $6,249 USD

B+
Cheapest Retailer
-
$5,415 USD
Retailer 2
-
$5,415 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$5,415 USD
View
Price last confirmed 15 days ago
Most Expensive
B
77 Diamonds
RADMBPQMQ6CKM · Nov 5
$6,249 USD
£4,920 GBP
View
3 more retailers have this diamond
Prices start from $5,415 USDSave up to $834 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
$5,415 USD