Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG651420471

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

Certificate IGI LG651420471

Diamond specifications and retailer prices

From HK$1,860 HKD
$237 USD
As of October 30, 2026
Save HK$9,361 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$11,220 HKD at Brilliant Earth · As of October 29, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG651420471 or 651420471. Listed at 19 retailers as of October 29, 2026, with prices from HK$1,860 to HK$11,220, a HK$9,361 spread on the same certified stone. Brilliant Earth lists it at HK$11,220. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651420471
Dimensions7.67 × 5.33 × 3.61 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm5.33 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651420471
Side View
Table 65.0%Crown 44.1°Girdle: MediumPavilion 34.4°Culet: NoneDepth 67.7%

Caratlytics Score

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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$11,220 HKD|Low: HK$1,860 HKD|High: HK$12,005 HKD|Avg: HK$5,192 HKD|-6.5%
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
October 30, 2026
Retailer 3HK$1,860 HKD
Retailer 6HK$1,930 HKD
Retailer 7HK$2,032 HKD
Retailer 19HK$2,064 HKD
Retailer 18HK$2,535 HKD
Retailer 4HK$3,539 HKD
Retailer 13HK$3,539 HKD
Retailer 2HK$3,808 HKD
Retailer 17HK$3,815 HKD
Retailer 8HK$4,574 HKD
Retailer 9HK$4,833 HKD
Retailer 14HK$5,034 HKD
Retailer 15HK$6,646 HKD
Retailer 16HK$6,983 HKD
Retailer 11HK$7,038 HKD
Retailer 10HK$7,533 HKD
Retailer 12HK$8,301 HKD
Retailer 5HK$9,659 HKD
Brilliant EarthHK$11,220 HKD

39 data points across 19 retailers

19 retailersHK$1,860 HKD to HK$11,220 HKD

A
Cheapest Retailer
-
HK$1,860 HKD
$237 USD
Final sale: no returns
Retailer 2
-
HK$1,930 HKD
$246 USD
View
Price last confirmed 32 days ago
Retailer 3
-
HK$2,032 HKD
$259 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
HK$2,064 HKD
$263 USD
View
Retailer 5
-
HK$2,064 HKD
$263 USD
View
Price last confirmed 18 days ago
Retailer 6
-
HK$2,535 HKD
£254 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
HK$3,539 HKD
$451 USD
View
A
Retailer 8
-
HK$3,539 HKD
ZAR 7,286 ZAR
View
A
Retailer 9
-
HK$3,808 HKD
£382 GBP
View
A
Retailer 10
-
HK$3,815 HKD
€463 EUR
View
B+
Retailer 11
-
HK$4,574 HKD
$583 USD
View
B+
Retailer 12
-
HK$4,833 HKD
$616 USD
View
B+
Retailer 13
-
HK$5,034 HKD
A$987 AUD
View
B+
Retailer 14
-
HK$6,646 HKD
$847 USD
View
Retailer 15
-
HK$6,983 HKD
$890 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
HK$7,038 HKD
$897 USD
View
B
Retailer 17
-
HK$8,301 HKD
£833 GBP
View
B
Retailer 18
-
HK$9,659 HKD
$1,231 USD
View
Most Expensive
B
Brilliant Earth
12197745A · Oct 29
HK$11,220 HKD
$1,430 USD
View
18 more retailers have this diamond
Prices start from HK$1,860 HKDSave up to HK$9,361 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$1,860 HKD