Radiant|Natural|GIA

1.21ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1565405171

Certificate GIA 1565405171

Diamond specifications and retailer prices

From $3,089 USD
As of November 6, 2026
Save $4,057 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,146 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 G 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 1565405171. Listed at 15 retailers as of November 5, 2026, with prices from $3,089 to $7,146, a $4,057 spread on the same certified stone. NZ Jewellers lists it at $7,146. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565405171
Dimensions7.04 × 5.36 × 3.59 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.04 mm5.36 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565405171
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,146 USD|Low: $3,072 USD|High: $7,433 USD|Avg: $4,483 USD|-3.9%
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
November 7, 2026
Retailer 7$3,089 USD
Retailer 10$3,097 USD
Retailer 4$3,777 USD
Retailer 11$3,786 USD
Retailer 3$3,902 USD
Retailer 8$3,979 USD
Retailer 12$4,102 USD
Retailer 13$4,102 USD
Retailer 2$4,105 USD
Retailer 14$4,347 USD
Retailer 6$4,550 USD
Retailer 5$4,733 USD
Retailer 9$6,841 USD
NZ Jewellers$7,146 USD

30 data points across 14 retailers

15 retailers$3,089 USD to $7,146 USD

A
Cheapest Retailer
-
$3,089 USD
A
Retailer 2
-
$3,097 USD
View
B+
Retailer 3
-
$3,441 USD
View
B+
Retailer 4
-
$3,777 USD
View
B
Retailer 5
-
$3,786 USD
View
Final sale: no returns
Retailer 6
-
$3,902 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$3,979 USD
View
B+
Retailer 8
-
$4,102 USD
View
B+
Retailer 9
-
$4,102 USD
View
B+
Retailer 10
-
$4,105 USD
View
B+
Retailer 11
-
$4,347 USD
View
Retailer 12
-
$4,550 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$4,733 USD
View
B
Retailer 14
-
$6,841 USD
View
Most Expensive
B
NZ Jewellers
7e1aef85-8ab4-4137-a5bc-67e8757982bc · Nov 5
$7,146 USD
View
14 more retailers have this diamond
Prices start from $3,089 USDSave up to $4,057 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.

A
1.21ct Radiant
$3,089 USD