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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG844646123

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

Certificate IGI LG844646123

Diamond specifications and retailer prices

From HK$1,553 HKD
$198 USD
As of October 31, 2026
Save HK$7,783 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$9,336 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844646123 or 844646123. Listed at 13 retailers as of October 31, 2026, with prices from HK$1,553 to HK$9,336, a HK$7,783 spread on the same certified stone. Brilliant Earth lists it at HK$9,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844646123
Dimensions7.56 × 5.29 × 3.59 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.56 mm5.29 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844646123
Side View
Table 66.0%Crown 26.7°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$9,336 HKD|Low: HK$1,553 HKD|High: HK$9,336 HKD|Avg: HK$4,419 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
October 31, 2026
Retailer 6HK$1,553 HKD
Retailer 10HK$1,687 HKD
Retailer 13HK$2,081 HKD
Retailer 2HK$2,801 HKD
Retailer 7HK$2,929 HKD
Retailer 11HK$2,958 HKD
Retailer 9HK$3,687 HKD
Retailer 5HK$4,121 HKD
Retailer 3HK$5,385 HKD
Retailer 8HK$5,625 HKD
Retailer 4HK$7,892 HKD
Retailer 12HK$8,621 HKD
Brilliant EarthHK$9,336 HKD

22 data points across 13 retailers

13 retailersHK$1,553 HKD to HK$9,336 HKD

A
Cheapest Retailer
-
HK$1,553 HKD
$198 USD
A
Retailer 2
-
HK$1,687 HKD
$215 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,081 HKD
£209 GBP
View
A
Retailer 4
-
HK$2,801 HKD
€340 EUR
View
A
Retailer 5
-
HK$2,929 HKD
£294 GBP
View
B+
Retailer 6
-
HK$2,958 HKD
$377 USD
View
A
Retailer 7
-
HK$3,687 HKD
$470 USD
View
Retailer 8
-
HK$4,121 HKD
A$808 AUD
View
Price last confirmed 8 days ago
B
Retailer 9
-
HK$5,385 HKD
A$1,056 AUD
View
B+
Retailer 10
-
HK$5,625 HKD
$717 USD
View
B
Retailer 11
-
HK$7,892 HKD
£792 GBP
View
B
Retailer 12
-
HK$8,621 HKD
$1,099 USD
View
Most Expensive
B
Brilliant Earth
22340780A · Oct 31
HK$9,336 HKD
$1,190 USD
View
12 more retailers have this diamond
Prices start from HK$1,553 HKDSave up to HK$7,783 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
1.28ct Radiant
HK$1,553 HKD