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1.28ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG811646745

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646745

Diamond specifications and retailer prices

From HK$1,404 HKD
$179 USD
As of November 1, 2026
Save HK$6,727 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$8,131 HKD at MOH London · As of November 1, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811646745 or 811646745. Listed at 19 retailers as of November 1, 2026, with prices from HK$1,404 to HK$8,131, a HK$6,727 spread on the same certified stone. MOH London lists it at HK$8,131. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646745
Dimensions6.94 × 6.91 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm6.91 mm1.28 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646745
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 1
Current: HK$8,131 HKD|Low: HK$1,404 HKD|High: HK$8,231 HKD|Avg: HK$3,962 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11HK$1,404 HKD
Retailer 12HK$1,742 HKD
Retailer 8HK$3,002 HKD
Retailer 3HK$3,084 HKD
Retailer 6HK$3,095 HKD
Retailer 5HK$3,238 HKD
Retailer 4HK$3,703 HKD
Retailer 10HK$4,158 HKD
Retailer 9HK$4,243 HKD
Retailer 2HK$4,441 HKD
Retailer 7HK$5,571 HKD
MOH LondonHK$8,131 HKD

45 data points across 12 retailers

19 retailersHK$1,404 HKD to HK$8,131 HKD

A
Cheapest Retailer
-
HK$1,404 HKD
$179 USD
A
Retailer 2
-
HK$1,624 HKD
$207 USD
View
Retailer 3
-
HK$1,742 HKD
$222 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$1,742 HKD
$222 USD
View
A
Retailer 5
-
HK$3,002 HKD
ZAR 6,181 ZAR
View
A
Retailer 6
-
HK$3,084 HKD
$393 USD
View
A
Retailer 7
-
HK$3,095 HKD
£311 GBP
View
A
Retailer 8
-
HK$3,238 HKD
€393 EUR
View
A
Retailer 9
-
HK$3,382 HKD
$431 USD
View
B+
Retailer 10
-
HK$3,703 HKD
$472 USD
View
B+
Retailer 11
-
HK$4,158 HKD
$530 USD
View
B+
Retailer 12
-
HK$4,243 HKD
A$832 AUD
View
B+
Retailer 13
-
HK$4,441 HKD
$566 USD
View
B+
Retailer 14
-
HK$5,571 HKD
$710 USD
View
B
Retailer 15
-
HK$5,594 HKD
$713 USD
View
B
Retailer 16
-
HK$5,908 HKD
$753 USD
View
B
Retailer 17
-
HK$6,017 HKD
$767 USD
View
B
Retailer 18
-
HK$6,261 HKD
$798 USD
View
Most Expensive
B
MOH London
LG811646745 · Nov 1
HK$8,131 HKD
£816 GBP
View
18 more retailers have this diamond
Prices start from HK$1,404 HKDSave up to HK$6,727 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$1,404 HKD