Radiant|Lab Grown|IGI

1.22ct E IF Radiant Lab Grown Diamond

VG • E/IF • IGI LG578341098

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG578341098

Diamond specifications and retailer prices

From HK$5,100 HKD
$650 USD
As of October 30, 2026
Save HK$19,551 HKD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$24,651 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.22ct lab-grown radiant diamond

This 1.22ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG578341098 or 578341098. Listed at 20 retailers as of October 29, 2026, with prices from HK$5,100 to HK$24,651, a HK$19,551 spread on the same certified stone. MOH London lists it at HK$24,651. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.22
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.7°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578341098
Dimensions6.76 × 5.19 × 3.62 mm
L/W Ratio1.30
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.76 mm5.19 mm1.22 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578341098
Side View
Table 68.0%Crown 47.7°Girdle: STK-THKPavilion 30.1°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$24,651 HKD|Low: HK$4,370 HKD|High: HK$24,810 HKD|Avg: HK$9,463 HKD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 13HK$4,551 HKD
Retailer 4HK$5,100 HKD
Retailer 6HK$5,100 HKD
Retailer 12HK$5,649 HKD
Retailer 2HK$5,971 HKD
Retailer 3HK$6,512 HKD
Retailer 8HK$8,205 HKD
Retailer 5HK$8,677 HKD
Retailer 7HK$8,824 HKD
Retailer 10HK$9,705 HKD
Retailer 9HK$13,764 HKD
Retailer 14HK$14,012 HKD
Retailer 11HK$14,852 HKD
MOH LondonHK$24,651 HKD

33 data points across 14 retailers

20 retailersHK$5,100 HKD to HK$24,651 HKD

Retailer 1
-
HK$4,551 HKD
$580 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
HK$5,100 HKD
$650 USD
View
Final sale: no returns
Retailer 3
-
HK$5,100 HKD
$650 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
HK$5,649 HKD
$720 USD
View
B+
Retailer 5
-
HK$5,971 HKD
£599 GBP
View
B+
Retailer 6
-
HK$6,512 HKD
$830 USD
View
B+
Retailer 7
-
HK$7,155 HKD
$912 USD
View
B+
Retailer 8
-
HK$8,205 HKD
€996 EUR
View
B
Retailer 9
-
HK$8,677 HKD
$1,106 USD
View
B+
Retailer 10
-
HK$8,824 HKD
£886 GBP
View
B
Retailer 11
-
HK$9,705 HKD
ZAR 19,984 ZAR
View
B
Retailer 12
-
HK$13,764 HKD
A$2,699 AUD
View
B
Retailer 13
-
HK$14,012 HKD
$1,786 USD
View
B
Retailer 14
-
HK$14,144 HKD
£1,420 GBP
View
B
Retailer 15
-
HK$14,852 HKD
$1,893 USD
View
B
Retailer 16
-
HK$16,381 HKD
£1,644 GBP
View
B
Retailer 17
-
HK$17,408 HKD
$2,219 USD
View
B
Retailer 18
-
HK$17,537 HKD
£1,760 GBP
View
B
Retailer 19
-
HK$21,951 HKD
$2,798 USD
View
Most Expensive
B
MOH London
LG578341098 · Oct 29
HK$24,651 HKD
£2,474 GBP
View
19 more retailers have this diamond
Prices start from HK$5,100 HKDSave up to HK$19,551 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.

B+
1.22ct Radiant
HK$5,100 HKD