Round|Lab Grown|IGI

1.28ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG811647116

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647116

Diamond specifications and retailer prices

From HK$3,193 HKD
As of November 4, 2026
Save HK$1,561 HKD (33%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$8,788 HKD at MOH London · As of October 19, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round 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 LG811647116 or 811647116. Listed at 20 retailers as of October 30, 2026, with a 49% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647116
Dimensions7.02 × 6.98 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm6.98 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647116
Side View
Table 58.0%Crown 34.3°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$8,788 HKD|Low: HK$1,506 HKD|High: HK$8,838 HKD|Avg: HK$4,170 HKD|+3.6%
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
October 30, 2026
Retailer 3HK$1,506 HKD
Retailer 7HK$1,867 HKD
Retailer 15HK$1,867 HKD
Retailer 9HK$3,193 HKD
Retailer 10HK$3,209 HKD
Retailer 6HK$3,271 HKD
Retailer 2HK$3,389 HKD
Retailer 13HK$3,405 HKD
Retailer 14HK$4,040 HKD
Retailer 12HK$4,558 HKD
Retailer 16HK$4,754 HKD
Retailer 11HK$5,382 HKD
Retailer 8HK$5,649 HKD
Retailer 4HK$6,009 HKD
Retailer 5HK$6,433 HKD
MOH LondonHK$8,788 HKD

36 data points across 16 retailers

20 retailersHK$3,193 HKD to HK$4,754 HKD

Retailer 1
-
HK$1,404 HKD
Price last confirmed 36 days ago
Retailer 2
-
HK$1,506 HKD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$1,695 HKD
View
Price last confirmed 31 days ago
Retailer 4
-
HK$1,812 HKD
View
Price last confirmed 35 days ago
Retailer 5
-
HK$1,867 HKD
View
Price last confirmed 12 days ago
Retailer 6
-
HK$1,867 HKD
View
Price last confirmed 10 days ago
A
Retailer 7
-
HK$3,193 HKD
View
Retailer 8
-
HK$3,209 HKD
View
Price last confirmed 10 days ago
A
Retailer 9
-
HK$3,271 HKD
View
A
Retailer 10
-
HK$3,389 HKD
View
A
Retailer 11
-
HK$3,405 HKD
View
Retailer 12
-
HK$4,040 HKD
View
Price last confirmed 16 days ago
Retailer 13
-
HK$4,558 HKD
View
Price last confirmed 10 days ago
B
Retailer 14
-
HK$4,754 HKD
View
Retailer 15
-
HK$5,382 HKD
View
Price last confirmed 10 days ago
Retailer 16
-
HK$5,649 HKD
View
Price last confirmed 8 days ago
Retailer 17
-
HK$5,829 HKD
View
Price last confirmed 37 days ago
Retailer 18
-
HK$6,009 HKD
View
Price last confirmed 10 days ago
Retailer 19
-
HK$6,433 HKD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG811647116 · Oct 19
HK$8,788 HKD
£882 GBP
View
Price last confirmed 17 days ago
19 more retailers have this diamond
Prices start from HK$3,193 HKDSave up to HK$1,561 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 Round
HK$3,193 HKD