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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2564084734

Certificate GIA 2564084734

Diamond specifications and retailer prices

From $2,352 NZD
As of November 5, 2026
Save $2,128 NZD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,481 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564084734. Listed at 13 retailers as of November 5, 2026, with prices from $2,352 to $4,481, a $2,128 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,481. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564084734
Dimensions6.76 × 6.80 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.76 mm6.80 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564084734
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 5
Current: $2,998 NZD|Low: $2,340 NZD|High: $4,889 NZD|Avg: $3,302 NZD|-7.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 5$2,352 NZD
Retailer 10$2,718 NZD
Retailer 8$2,751 NZD
Retailer 11$2,765 NZD
Retailer 4$2,960 NZD
Retailer 1$2,998 NZD
Retailer 9$3,009 NZD
Retailer 12$3,031 NZD
Retailer 2$3,283 NZD
Retailer 7$3,527 NZD
Retailer 3$3,646 NZD
Retailer 6$3,795 NZD
Wholesale Diamonds Direct$4,481 NZD

31 data points across 13 retailers

13 retailers$2,352 NZD to $4,481 NZD

A
Cheapest Retailer
-
$2,352 NZD
A
Retailer 2
-
$2,718 NZD
View
A
Retailer 3
-
$2,751 NZD
View
A
Retailer 4
-
$2,765 NZD
View
A
Retailer 5
-
$2,960 NZD
View
A
Retailer 6
-
$2,998 NZD
View
A
Retailer 7
-
$3,009 NZD
View
A
Retailer 8
-
$3,031 NZD
View
A
Retailer 9
-
$3,283 NZD
View
A
Retailer 10
-
$3,527 NZD
View
A
Retailer 11
-
$3,646 NZD
View
A
Retailer 12
-
$3,795 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
570927854 · Nov 6
$4,481 NZD
$2,484 USD
View
12 more retailers have this diamond
Prices start from $2,352 NZDSave up to $2,128 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
$2,352 NZD