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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG836665002

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

Certificate IGI LG836665002

Diamond specifications and retailer prices

From HK$1,530 HKD
$195 USD
As of October 30, 2026
Save HK$8,042 HKD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$9,572 HKD at Brilliant Earth · As of October 26, 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 LG836665002 or 836665002. Listed at 20 retailers as of October 26, 2026, with prices from HK$1,530 to HK$9,572, a HK$8,042 spread on the same certified stone. Brilliant Earth lists it at HK$9,572. 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 angle45.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665002
Dimensions7.81 × 5.26 × 3.62 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.26 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665002
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.8%

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$9,572 HKD|Low: HK$1,530 HKD|High: HK$9,572 HKD|Avg: HK$4,441 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 31, 2026
Retailer 4HK$1,530 HKD
Retailer 5HK$1,703 HKD
Retailer 20HK$1,773 HKD
Retailer 18HK$1,899 HKD
Retailer 19HK$1,899 HKD
Retailer 13HK$2,381 HKD
Retailer 16HK$3,255 HKD
Retailer 6HK$3,311 HKD
Retailer 2HK$3,369 HKD
Retailer 14HK$3,460 HKD
Retailer 9HK$3,750 HKD
Retailer 3HK$4,433 HKD
Retailer 17HK$4,625 HKD
Retailer 12HK$5,060 HKD
Retailer 11HK$6,096 HKD
Retailer 8HK$6,112 HKD
Retailer 10HK$6,515 HKD
Retailer 15HK$8,908 HKD
Retailer 7HK$9,236 HKD
Brilliant EarthHK$9,572 HKD

11 data points across 20 retailers

20 retailersHK$1,530 HKD to HK$9,572 HKD

A
Cheapest Retailer
-
HK$1,530 HKD
$195 USD
A
Retailer 2
-
HK$1,703 HKD
$217 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$2,381 HKD
£239 GBP
View
A
Retailer 7
-
HK$3,255 HKD
ZAR 6,703 ZAR
View
A
Retailer 8
-
HK$3,311 HKD
$422 USD
View
A
Retailer 9
-
HK$3,369 HKD
€409 EUR
View
A
Retailer 10
-
HK$3,460 HKD
£347 GBP
View
A
Retailer 11
-
HK$3,750 HKD
$478 USD
View
B+
Retailer 12
-
HK$4,433 HKD
$565 USD
View
B+
Retailer 13
-
HK$4,625 HKD
A$907 AUD
View
Retailer 14
-
HK$5,060 HKD
$645 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
HK$6,096 HKD
$777 USD
View
B
Retailer 16
-
HK$6,112 HKD
$779 USD
View
B
Retailer 17
-
HK$6,515 HKD
$830 USD
View
B
Retailer 18
-
HK$8,908 HKD
£894 GBP
View
B
Retailer 19
-
HK$9,236 HKD
$1,177 USD
View
Most Expensive
B
Brilliant Earth
22221917A · Oct 26
HK$9,572 HKD
$1,220 USD
View
19 more retailers have this diamond
Prices start from HK$1,530 HKDSave up to HK$8,042 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$1,530 HKD