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1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 779634139

Shape and cutting style on the report: Round brilliant

Certificate IGI 779634139

Diamond specifications and retailer prices

From $3,368 NZD
₹180,808 INR
As of October 30, 2026
Save $5,595 NZD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,964 NZD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 779634139. Listed at 11 retailers as of October 30, 2026, with prices from $3,368 to $8,964, a $5,595 spread on the same certified stone. NZ Jewellers lists it at $8,964. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 779634139
Dimensions6.84 × 6.86 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.84 mm6.86 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 779634139
Side View
Table 57.0%Crown 33.6°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 61.8%

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: Oct 30
Current: $8,964 NZD|Low: $3,349 NZD|High: $9,186 NZD|Avg: $5,119 NZD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$3,368 NZD
Retailer 4$3,795 NZD
Retailer 6$3,877 NZD
Retailer 9$3,958 NZD
Retailer 8$4,273 NZD
Retailer 3$4,288 NZD
Retailer 11$4,485 NZD
Retailer 10$4,947 NZD
Retailer 5$5,246 NZD
Retailer 7$7,522 NZD
NZ Jewellers$8,964 NZD

39 data points across 11 retailers

11 retailers$3,368 NZD to $8,964 NZD

A
Cheapest Retailer
-
$3,368 NZD
₹180,808 INR
A
Retailer 2
-
$3,795 NZD
£1,684 GBP
View
A
Retailer 3
-
$3,877 NZD
$2,185 USD
View
A
Retailer 4
-
$3,958 NZD
$2,231 USD
View
Final sale: no returns
A
Retailer 5
-
$4,273 NZD
$2,408 USD
View
A
Retailer 6
-
$4,288 NZD
$2,417 USD
View
A
Retailer 7
-
$4,485 NZD
$2,528 USD
View
A
Retailer 8
-
$4,947 NZD
$2,788 USD
View
A
Retailer 9
-
$5,246 NZD
€2,816 EUR
View
B+
Retailer 10
-
$7,522 NZD
£3,338 GBP
View
Most Expensive
B+
NZ Jewellers
2729b77f-b415-4795-b31a-ecc61c79a24e · Oct 30
$8,964 NZD
$5,052 USD
View
10 more retailers have this diamond
Prices start from $3,368 NZDSave up to $5,595 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
$3,368 NZD