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Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 2557387267

Certificate GIA 2557387267

Diamond specifications and retailer prices

From $4,941 NZD
As of November 6, 2026
Save $6,720 NZD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,496 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round 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 and certified by GIA 2557387267. Listed at 11 retailers as of November 5, 2026, with a 136% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557387267
Dimensions6.73 × 6.79 × 4.22 mm
L/W Ratio1.01
Top View
6.73 mm6.79 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557387267
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: $11,660 NZD|Low: $4,941 NZD|High: $12,357 NZD|Avg: $7,803 NZD|-5.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$4,941 NZD
Retailer 5$5,758 NZD
Retailer 7$6,032 NZD
Retailer 8$6,326 NZD
Retailer 3$6,878 NZD
Retailer 2$7,778 NZD
Retailer 4$11,161 NZD
NZ Jewellers$11,660 NZD

44 data points across 8 retailers

11 retailers$4,941 NZD to $11,660 NZD

A
Cheapest Retailer
-
$4,941 NZD
A
Retailer 2
-
$5,758 NZD
View
A
Retailer 3
-
$6,032 NZD
View
A
Retailer 4
-
$6,326 NZD
View
Final sale: no returns
A
Retailer 5
-
$6,878 NZD
View
Retailer 6
-
$7,093 NZD
View
Price last confirmed 37 days ago
Retailer 7
-
$7,093 NZD
View
Price last confirmed 39 days ago
A
Retailer 8
-
$7,778 NZD
View
B+
Retailer 9
-
$11,161 NZD
View
B+
Retailer 10
-
$11,660 NZD
View
Most Expensive
NZ Jewellers
c49cbe1c-1fe2-4f6b-9b11-1b00cdaf986d · Sep 28
$12,496 NZD
$6,927 USD
View
Price last confirmed 40 days ago
10 more retailers have this diamond
Prices start from $4,941 NZDSave up to $6,720 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.

A
1.21ct Round
$4,941 NZD