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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG640443023

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

Certificate IGI LG640443023

Diamond specifications and retailer prices

From HK$1,969 HKD
$251 USD
As of October 30, 2026
Save HK$8,669 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$10,638 HKD at Reve Diamonds · As of October 30, 2026
View at Reve 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 top-tier cut grade and certified by IGI LG640443023 or 640443023. Listed at 18 retailers as of October 30, 2026, with prices from HK$1,969 to HK$10,638, a HK$8,669 spread on the same certified stone. Reve Diamonds lists it at HK$10,638. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640443023
Dimensions8.00 × 5.35 × 3.56 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm5.35 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640443023
Side View
Table 63.0%Crown 38.5°Girdle: MED-STKPavilion 31.3°Culet: NoneDepth 66.5%

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$4,607 HKD|Low: HK$1,891 HKD|High: HK$10,638 HKD|Avg: HK$5,161 HKD|+7.7%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 16HK$1,969 HKD
Retailer 9HK$2,197 HKD
Retailer 4HK$2,283 HKD
Retailer 5HK$2,440 HKD
Retailer 17HK$2,440 HKD
Retailer 14HK$3,687 HKD
Retailer 6HK$3,907 HKD
Retailer 3HK$4,095 HKD
Retailer 12HK$4,193 HKD
Retailer 7HK$4,433 HKD
Retailer 1HK$4,607 HKD
Retailer 13HK$5,941 HKD
Retailer 10HK$6,433 HKD
Retailer 15HK$7,500 HKD
Retailer 2HK$7,846 HKD
Retailer 8HK$8,250 HKD
Retailer 11HK$9,835 HKD
Reve DiamondsHK$10,638 HKD

43 data points across 18 retailers

18 retailersHK$1,969 HKD to HK$10,638 HKD

A
Cheapest Retailer
-
HK$1,969 HKD
$251 USD
A
Retailer 2
-
HK$2,197 HKD
$280 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,283 HKD
$291 USD
View
A
Retailer 4
-
HK$2,440 HKD
$311 USD
View
A
Retailer 5
-
HK$2,440 HKD
$311 USD
View
A
Retailer 6
-
HK$3,687 HKD
$470 USD
View
B+
Retailer 7
-
HK$3,907 HKD
$498 USD
View
B+
Retailer 8
-
HK$4,095 HKD
$522 USD
View
B+
Retailer 9
-
HK$4,193 HKD
ZAR 8,633 ZAR
View
B+
Retailer 10
-
HK$4,433 HKD
$565 USD
View
B+
Retailer 11
-
HK$4,607 HKD
£462 GBP
View
B+
Retailer 12
-
HK$5,941 HKD
A$1,165 AUD
View
B+
Retailer 13
-
HK$6,433 HKD
$820 USD
View
B
Retailer 14
-
HK$7,500 HKD
$956 USD
View
B
Retailer 15
-
HK$7,846 HKD
$1,000 USD
View
B
Retailer 16
-
HK$8,250 HKD
$1,052 USD
View
B
Retailer 17
-
HK$9,835 HKD
£987 GBP
View
Most Expensive
B
Reve Diamonds
11AB9F759 · Oct 30
HK$10,638 HKD
$1,356 USD
View
17 more retailers have this diamond
Prices start from HK$1,969 HKDSave up to HK$8,669 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$1,969 HKD