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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG762551885

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

Certificate IGI LG762551885

Diamond specifications and retailer prices

From HK$1,805 HKD
$230 USD
As of November 2, 2026
Save HK$8,631 HKD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$18,595 HKD at Do Amore Diamonds · As of November 2, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762551885 or 762551885. Listed at 22 retailers as of November 2, 2026, with a 478% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762551885
Dimensions7.70 × 5.29 × 3.56 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm5.29 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762551885
Side View
Table 66.0%Crown 45.6°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.3%

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: Nov 2
Current: HK$2,958 HKD|Low: HK$1,734 HKD|High: HK$10,435 HKD|Avg: HK$5,207 HKD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2HK$1,805 HKD
Retailer 4HK$2,024 HKD
Retailer 3HK$2,236 HKD
Retailer 1HK$2,958 HKD
Retailer 6HK$4,268 HKD
Retailer 5HK$4,713 HKD
Retailer 11HK$5,218 HKD
Retailer 10HK$5,778 HKD
Retailer 9HK$6,018 HKD
Retailer 12HK$7,226 HKD
Retailer 8HK$9,955 HKD
Retailer 7HK$10,435 HKD

43 data points across 12 retailers

22 retailersHK$1,805 HKD to HK$10,435 HKD

A
Cheapest Retailer
-
HK$1,805 HKD
$230 USD
A
Retailer 2
-
HK$2,024 HKD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,095 HKD
$267 USD
View
Retailer 4
-
HK$2,236 HKD
$285 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,236 HKD
$285 USD
View
A
Retailer 6
-
HK$2,958 HKD
£297 GBP
View
B+
Retailer 7
-
HK$3,005 HKD
$383 USD
View
A
Retailer 8
-
HK$3,005 HKD
$383 USD
View
B+
Retailer 9
-
HK$4,268 HKD
ZAR 8,788 ZAR
View
B+
Retailer 10
-
HK$4,713 HKD
£473 GBP
View
Retailer 11
-
HK$5,218 HKD
$665 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
HK$5,778 HKD
A$1,133 AUD
View
B+
Retailer 13
-
HK$6,018 HKD
A$1,180 AUD
View
B
Retailer 14
-
HK$7,226 HKD
$921 USD
View
B
Retailer 15
-
HK$7,948 HKD
$1,013 USD
View
B
Retailer 16
-
HK$9,286 HKD
$1,184 USD
View
B
Retailer 17
-
HK$9,686 HKD
£972 GBP
View
B
Retailer 18
-
HK$9,955 HKD
£999 GBP
View
B
Retailer 19
-
HK$10,113 HKD
$1,289 USD
View
B
Retailer 20
-
HK$10,435 HKD
$1,330 USD
View
Retailer 21
-
HK$17,340 HKD
$2,210 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-762551885 · Nov 2
HK$18,595 HKD
$2,370 USD
View
Price under review
21 more retailers have this diamond
Prices start from HK$1,805 HKDSave up to HK$8,631 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$1,805 HKD