CaratHunter
Plans
Radiant|Natural|GIA

1.21ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2231483721

Certificate GIA 2231483721

Diamond specifications and retailer prices

From €2,601 EUR
$2,906 USD
As of October 31, 2026
Save €2,864 EUR (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,465 EUR at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231483721. Listed at 15 retailers as of October 30, 2026, with prices from €2,601 to €5,465, a €2,864 spread on the same certified stone. NZ Jewellers lists it at €5,465. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2231483721
Dimensions6.94 × 5.28 × 3.69 mm
L/W Ratio1.31
Culet sizeNone
Top View
6.94 mm5.28 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2231483721
Side View
Table 68.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 70.0%

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: Oct 31
Current: €5,465 EUR|Low: €2,601 EUR|High: €5,465 EUR|Avg: €3,461 EUR
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
Retailer 16
November 2, 2026
Retailer 3€2,601 EUR
Retailer 13€2,842 EUR
Retailer 15€2,842 EUR
Retailer 4€2,859 EUR
Retailer 14€2,951 EUR
Retailer 6€2,975 EUR
Retailer 5€3,111 EUR
Retailer 9€3,279 EUR
Retailer 12€3,280 EUR
Retailer 7€3,306 EUR
Retailer 16€3,555 EUR
Retailer 8€3,569 EUR
Retailer 2€3,672 EUR
Retailer 11€3,856 EUR
Retailer 10€5,246 EUR
NZ Jewellers€5,465 EUR

18 data points across 16 retailers

15 retailers€2,601 EUR to €5,465 EUR

B+
Cheapest Retailer
-
€2,601 EUR
$2,906 USD
B+
Retailer 2
-
€2,842 EUR
$3,175 USD
View
B+
Retailer 3
-
€2,842 EUR
$3,175 USD
View
B
Retailer 4
-
€2,859 EUR
$3,194 USD
View
B
Retailer 5
-
€2,951 EUR
$3,297 USD
View
B
Retailer 6
-
€2,975 EUR
$3,324 USD
View
B+
Retailer 7
-
€3,111 EUR
CA$4,827 CAD
View
B
Retailer 8
-
€3,279 EUR
£2,884 GBP
View
B
Retailer 9
-
€3,280 EUR
$3,664 USD
View
B
Retailer 10
-
€3,306 EUR
$3,694 USD
View
Retailer 11
-
€3,555 EUR
$3,972 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
€3,672 EUR
View
B
Retailer 13
-
€3,856 EUR
ZAR 69,598 ZAR
View
B
Retailer 14
-
€5,246 EUR
£4,615 GBP
View
Most Expensive
B
NZ Jewellers
304b2cca-abd9-424a-9469-a079e08a804e · Oct 30
€5,465 EUR
$6,106 USD
View
14 more retailers have this diamond
Prices start from €2,601 EURSave up to €2,864 EUR

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
€2,601 EUR