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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5526904201

Certificate GIA 5526904201

Diamond specifications and retailer prices

From $7,665 NZD
As of November 5, 2026
Save $8,560 NZD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,224 NZD 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 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 5526904201. Listed at 20 retailers as of November 5, 2026, with prices from $7,665 to $16,224, a $8,560 spread on the same certified stone. NZ Jewellers lists it at $16,224. 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
Pavilion angle33.5°
OriginNatural
Grading LabGIA
CertificateGIA 5526904201
Dimensions7.12 × 5.27 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.12 mm5.27 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5526904201
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 33.5°Culet: NDepth 66.7%

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 5
Current: $16,224 NZD|Low: $6,761 NZD|High: $16,224 NZD|Avg: $10,424 NZD
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 12$7,665 NZD
Retailer 13$8,114 NZD
Retailer 6$8,280 NZD
Retailer 3$8,789 NZD
Retailer 4$8,789 NZD
Retailer 5$8,789 NZD
Retailer 9$9,371 NZD
Retailer 14$9,779 NZD
Retailer 7$10,320 NZD
Retailer 10$10,915 NZD
Retailer 11$11,835 NZD
Retailer 2$12,128 NZD
Retailer 8$15,367 NZD
NZ Jewellers$16,224 NZD

45 data points across 14 retailers

20 retailers$7,665 NZD to $16,224 NZD

B+
Cheapest Retailer
-
$7,665 NZD
B
Retailer 2
-
$8,114 NZD
View
Final sale: no returns
B
Retailer 3
-
$8,181 NZD
View
B
Retailer 4
-
$8,237 NZD
View
B
Retailer 5
-
$8,280 NZD
View
B
Retailer 6
-
$8,789 NZD
View
B
Retailer 7
-
$8,789 NZD
View
Retailer 8
-
$8,789 NZD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$9,371 NZD
View
B
Retailer 10
-
$9,577 NZD
View
Retailer 11
-
$9,779 NZD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$10,140 NZD
View
Retailer 13
-
$10,320 NZD
View
Retailer 14
-
$10,706 NZD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$10,915 NZD
View
B
Retailer 16
-
$10,950 NZD
View
B
Retailer 17
-
$11,835 NZD
View
Retailer 18
-
$12,128 NZD
View
B
Retailer 19
-
$15,367 NZD
View
Most Expensive
B
NZ Jewellers
3c3d90cd-a52c-4c09-96da-7034f867374f · Nov 5
$16,224 NZD
$8,994 USD
View
19 more retailers have this diamond
Prices start from $7,665 NZDSave up to $8,560 NZD

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
$7,665 NZD