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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG628407192

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

Certificate IGI LG628407192

Diamond specifications and retailer prices

From HK$1,514 HKD
$193 USD
As of October 30, 2026
Save HK$13,079 HKD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$14,593 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 very-good cut grade and certified by IGI LG628407192 or 628407192. Listed at 12 retailers as of October 30, 2026, with prices from HK$1,514 to HK$14,593, a HK$13,079 spread on the same certified stone. Do Amore Diamonds lists it at HK$14,593. 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

1.28
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628407192
Dimensions7.87 × 5.32 × 3.63 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.87 mm5.32 mm1.28 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628407192
Side View
Table 65.0%Crown 42.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.2%

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$14,593 HKD|Low: HK$1,444 HKD|High: HK$14,593 HKD|Avg: HK$5,518 HKD
Do Amore Diamonds
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
October 30, 2026
Retailer 15HK$1,514 HKD
Retailer 3HK$1,703 HKD
Retailer 12HK$1,757 HKD
Retailer 2HK$2,609 HKD
Retailer 17HK$3,287 HKD
Retailer 4HK$3,458 HKD
Retailer 8HK$3,539 HKD
Retailer 7HK$4,041 HKD
Retailer 9HK$4,213 HKD
Retailer 11HK$5,079 HKD
Retailer 10HK$5,207 HKD
Retailer 13HK$6,073 HKD
Retailer 16HK$6,677 HKD
Retailer 5HK$7,767 HKD
Retailer 6HK$7,790 HKD
Retailer 14HK$8,370 HKD
Retailer 18HK$10,278 HKD
Do Amore DiamondsHK$14,593 HKD

40 data points across 18 retailers

12 retailersHK$1,514 HKD to HK$14,593 HKD

A
Cheapest Retailer
-
HK$1,514 HKD
$193 USD
A
Retailer 2
-
HK$1,703 HKD
$217 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,757 HKD
$224 USD
View
A
Retailer 4
-
HK$2,609 HKD
£262 GBP
View
B+
Retailer 5
-
HK$3,287 HKD
$419 USD
View
B+
Retailer 6
-
HK$5,079 HKD
A$996 AUD
View
B
Retailer 7
-
HK$6,073 HKD
$774 USD
View
B
Retailer 8
-
HK$6,677 HKD
$851 USD
View
B
Retailer 9
-
HK$7,767 HKD
$990 USD
View
B
Retailer 10
-
HK$8,370 HKD
£840 GBP
View
B
Retailer 11
-
HK$10,278 HKD
$1,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-E781DC176 · Oct 31
HK$14,593 HKD
$1,860 USD
View
11 more retailers have this diamond
Prices start from HK$1,514 HKDSave up to HK$13,079 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$1,514 HKD