Round|Natural|IGI

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 HK$14,895 HKD
₹180,808 INR
As of October 30, 2026
Save HK$24,742 HKD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$39,636 HKD 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 HK$14,895 to HK$39,636, a HK$24,742 spread on the same certified stone. NZ Jewellers lists it at HK$39,636. 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: HK$39,636 HKD|Low: HK$14,810 HKD|High: HK$40,617 HKD|Avg: HK$22,638 HKD|-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 2HK$14,895 HKD
Retailer 4HK$16,783 HKD
Retailer 6HK$17,143 HKD
Retailer 9HK$17,504 HKD
Retailer 8HK$18,892 HKD
Retailer 3HK$18,963 HKD
Retailer 11HK$19,834 HKD
Retailer 10HK$21,874 HKD
Retailer 5HK$23,198 HKD
Retailer 7HK$33,260 HKD
NZ JewellersHK$39,636 HKD

39 data points across 11 retailers

11 retailersHK$14,895 HKD to HK$39,636 HKD

A
Cheapest Retailer
-
HK$14,895 HKD
₹180,808 INR
A
Retailer 2
-
HK$16,783 HKD
£1,684 GBP
View
A
Retailer 3
-
HK$17,143 HKD
$2,185 USD
View
A
Retailer 4
-
HK$17,504 HKD
$2,231 USD
View
Final sale: no returns
A
Retailer 5
-
HK$18,892 HKD
$2,408 USD
View
A
Retailer 6
-
HK$18,963 HKD
$2,417 USD
View
A
Retailer 7
-
HK$19,834 HKD
$2,528 USD
View
A
Retailer 8
-
HK$21,874 HKD
$2,788 USD
View
A
Retailer 9
-
HK$23,198 HKD
€2,816 EUR
View
B+
Retailer 10
-
HK$33,260 HKD
£3,338 GBP
View
Most Expensive
B+
NZ Jewellers
2729b77f-b415-4795-b31a-ecc61c79a24e · Oct 30
HK$39,636 HKD
$5,052 USD
View
10 more retailers have this diamond
Prices start from HK$14,895 HKDSave up to HK$24,742 HKD

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
HK$14,895 HKD