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Radiant|Lab Grown|IGI

1.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG622490937

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

Certificate IGI LG622490937

Diamond specifications and retailer prices

From HK$1,530 HKD
$195 USD
As of October 30, 2026
Save HK$7,963 HKD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$9,493 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG622490937 or 622490937. Listed at 22 retailers as of October 29, 2026, with prices from HK$1,530 to HK$9,493, a HK$7,963 spread on the same certified stone. Brilliant Earth lists it at HK$9,493. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622490937
Dimensions7.44 × 5.45 × 3.48 mm
L/W Ratio1.37
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
7.44 mm5.45 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622490937
Side View
Table 62.0%Crown 47.4°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 63.9%

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$9,493 HKD|Low: HK$1,467 HKD|High: HK$9,493 HKD|Avg: HK$4,581 HKD
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 20HK$1,530 HKD
Retailer 11HK$1,710 HKD
Retailer 3HK$1,899 HKD
Retailer 8HK$1,899 HKD
Retailer 2HK$2,332 HKD
Retailer 6HK$2,573 HKD
Retailer 18HK$3,106 HKD
Retailer 16HK$3,260 HKD
Retailer 13HK$3,466 HKD
Retailer 9HK$3,829 HKD
Retailer 5HK$4,464 HKD
Retailer 17HK$4,631 HKD
Retailer 19HK$4,872 HKD
Retailer 4HK$6,104 HKD
Retailer 7HK$6,284 HKD
Retailer 12HK$6,524 HKD
Retailer 15HK$6,676 HKD
Retailer 14HK$8,928 HKD
Retailer 10HK$9,243 HKD
Brilliant EarthHK$9,493 HKD

39 data points across 20 retailers

22 retailersHK$1,530 HKD to HK$9,493 HKD

A
Cheapest Retailer
-
HK$1,530 HKD
$195 USD
A
Retailer 2
-
HK$1,710 HKD
$218 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,773 HKD
$226 USD
View
A
Retailer 4
-
HK$1,899 HKD
$242 USD
View
A
Retailer 5
-
HK$1,899 HKD
$242 USD
View
A
Retailer 6
-
HK$2,332 HKD
£234 GBP
View
B+
Retailer 7
-
HK$2,573 HKD
$328 USD
View
Retailer 8
-
HK$3,106 HKD
€377 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
HK$3,260 HKD
ZAR 6,713 ZAR
View
A
Retailer 10
-
HK$3,466 HKD
£348 GBP
View
A
Retailer 11
-
HK$3,829 HKD
$488 USD
View
Retailer 12
-
HK$4,135 HKD
$527 USD
View
Price last confirmed 32 days ago
B+
Retailer 13
-
HK$4,464 HKD
$569 USD
View
A
Retailer 14
-
HK$4,631 HKD
A$908 AUD
View
B+
Retailer 15
-
HK$4,872 HKD
$621 USD
View
B+
Retailer 16
-
HK$6,104 HKD
$778 USD
View
B+
Retailer 17
-
HK$6,410 HKD
$817 USD
View
B+
Retailer 18
-
HK$6,524 HKD
$832 USD
View
B+
Retailer 19
-
HK$6,676 HKD
A$1,309 AUD
View
B
Retailer 20
-
HK$8,928 HKD
£896 GBP
View
B
Retailer 21
-
HK$9,243 HKD
$1,178 USD
View
Most Expensive
B
Brilliant Earth
9399427A · Oct 29
HK$9,493 HKD
$1,210 USD
View
21 more retailers have this diamond
Prices start from HK$1,530 HKDSave up to HK$7,963 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
1.23ct Radiant
HK$1,530 HKD