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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG644447705

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

Certificate IGI LG644447705

Diamond specifications and retailer prices

From HK$1,969 HKD
$251 USD
As of November 2, 2026
Save HK$7,816 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,785 HKD at MOH London · As of November 2, 2026
View at MOH London

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 LG644447705 or 644447705. Listed at 18 retailers as of November 2, 2026, with prices from HK$1,969 to HK$9,785, a HK$7,816 spread on the same certified stone. MOH London lists it at HK$9,785. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644447705
Dimensions7.79 × 5.34 × 3.63 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
7.79 mm5.34 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644447705
Side View
Table 68.0%Crown 38.3°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 68.0%

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$9,785 HKD|Low: HK$1,891 HKD|High: HK$9,905 HKD|Avg: HK$5,162 HKD|+4.1%
MOH London
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
November 2, 2026
Retailer 16HK$1,969 HKD
Retailer 6HK$2,205 HKD
Retailer 4HK$2,283 HKD
Retailer 5HK$2,440 HKD
Retailer 17HK$2,440 HKD
Retailer 14HK$3,688 HKD
Retailer 7HK$3,931 HKD
Retailer 3HK$4,096 HKD
Retailer 11HK$4,217 HKD
Retailer 9HK$4,441 HKD
Retailer 2HK$4,650 HKD
Retailer 13HK$5,947 HKD
Retailer 12HK$6,591 HKD
Retailer 15HK$7,501 HKD
Retailer 18HK$7,854 HKD
Retailer 10HK$8,257 HKD
Retailer 8HK$9,566 HKD
MOH LondonHK$9,785 HKD

43 data points across 18 retailers

18 retailersHK$1,969 HKD to HK$9,785 HKD

A
Cheapest Retailer
-
HK$1,969 HKD
$251 USD
A
Retailer 2
-
HK$2,205 HKD
$281 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,283 HKD
$291 USD
View
Retailer 4
-
HK$2,440 HKD
$311 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,440 HKD
$311 USD
View
A
Retailer 6
-
HK$3,688 HKD
$470 USD
View
B+
Retailer 7
-
HK$3,931 HKD
$501 USD
View
B+
Retailer 8
-
HK$4,096 HKD
$522 USD
View
B+
Retailer 9
-
HK$4,217 HKD
ZAR 8,683 ZAR
View
B+
Retailer 10
-
HK$4,441 HKD
$566 USD
View
B+
Retailer 11
-
HK$4,650 HKD
£467 GBP
View
B+
Retailer 12
-
HK$5,947 HKD
A$1,166 AUD
View
B
Retailer 13
-
HK$6,591 HKD
$840 USD
View
B
Retailer 14
-
HK$7,501 HKD
$956 USD
View
B
Retailer 15
-
HK$7,854 HKD
$1,001 USD
View
B
Retailer 16
-
HK$8,257 HKD
$1,052 USD
View
B
Retailer 17
-
HK$9,566 HKD
£960 GBP
View
Most Expensive
B
MOH London
LG644447705 · Nov 2
HK$9,785 HKD
£982 GBP
View
17 more retailers have this diamond
Prices start from HK$1,969 HKDSave up to HK$7,816 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