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Round|Natural|IGI

1.21ct I IF Round Natural Diamond

EX • I/IF • IGI 613369287

Shape and cutting style on the report: Round brilliant

Certificate IGI 613369287

Diamond specifications and retailer prices

From $2,909 USD
As of November 1, 2026
Save $2,800 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,709 USD 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 613369287. Listed at 14 retailers as of October 30, 2026, with prices from $2,909 to $5,709, a $2,800 spread on the same certified stone. NZ Jewellers lists it at $5,709. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 613369287
Dimensions6.77 × 6.81 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.77 mm6.81 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613369287
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.8%

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: Nov 1
Current: $5,709 USD|Low: $2,909 USD|High: $5,862 USD|Avg: $3,827 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$2,909 USD
Retailer 9$2,943 USD
Retailer 7$3,080 USD
Retailer 8$3,277 USD
Retailer 11$3,277 USD
Retailer 2$3,437 USD
Retailer 10$3,797 USD
Retailer 4$3,819 USD
Retailer 6$4,028 USD
Retailer 5$5,480 USD
NZ Jewellers$5,709 USD

39 data points across 11 retailers

14 retailers$2,909 USD to $5,709 USD

A
Cheapest Retailer
-
$2,909 USD
A
Retailer 2
-
$2,943 USD
View
A
Retailer 3
-
$3,080 USD
View
Retailer 4
-
$3,277 USD
View
Price last confirmed 40 days ago
A
Retailer 5
-
$3,277 USD
View
A
Retailer 6
-
$3,277 USD
View
A
Retailer 7
-
$3,437 USD
£2,706 GBP
View
Retailer 8
-
$3,781 USD
View
Price last confirmed 41 days ago
A
Retailer 9
-
$3,797 USD
£2,990 GBP
View
A
Retailer 10
-
$3,819 USD
€3,637 EUR
View
A
Retailer 11
-
$4,028 USD
ZAR 65,067 ZAR
View
B+
Retailer 12
-
$5,480 USD
£4,315 GBP
View
Retailer 13
-
$5,709 USD
View
Price last confirmed 42 days ago
Most Expensive
B+
NZ Jewellers
4cecfc1c-ce2e-4124-b70d-6aea4bab6a48 · Oct 30
$5,709 USD
View
13 more retailers have this diamond
Prices start from $2,909 USDSave up to $2,800 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 Round
$2,909 USD