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Round|Lab Grown|IGI

1.28ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG770644956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770644956

Diamond specifications and retailer prices

From HK$1,663 HKD
$212 USD
As of November 3, 2026
Save HK$6,587 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$8,251 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770644956 or 770644956. Listed at 18 retailers as of November 1, 2026, with prices from HK$1,663 to HK$8,251, a HK$6,587 spread on the same certified stone. MOH London lists it at HK$8,251. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770644956
Dimensions7.00 × 7.04 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.04 mm1.28 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770644956
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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 3
Current: HK$8,251 HKD|Low: HK$1,593 HKD|High: HK$8,350 HKD|Avg: HK$4,441 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
Retailer 13
November 2, 2026
Retailer 10HK$1,663 HKD
Retailer 12HK$2,056 HKD
Retailer 13HK$3,539 HKD
Retailer 8HK$3,554 HKD
Retailer 5HK$3,570 HKD
Retailer 7HK$3,765 HKD
Retailer 3HK$3,986 HKD
Retailer 9HK$4,119 HKD
Retailer 11HK$5,021 HKD
Retailer 2HK$5,034 HKD
Retailer 6HK$5,390 HKD
Retailer 4HK$7,477 HKD
MOH LondonHK$8,251 HKD

29 data points across 13 retailers

18 retailersHK$1,663 HKD to HK$8,251 HKD

A
Cheapest Retailer
-
HK$1,663 HKD
$212 USD
A
Retailer 2
-
HK$1,922 HKD
$245 USD
View
Retailer 3
-
HK$2,056 HKD
$262 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
HK$2,056 HKD
$262 USD
View
A
Retailer 5
-
HK$3,539 HKD
$451 USD
View
A
Retailer 6
-
HK$3,554 HKD
ZAR 7,318 ZAR
View
A
Retailer 7
-
HK$3,570 HKD
$455 USD
View
A
Retailer 8
-
HK$3,765 HKD
€457 EUR
View
A
Retailer 9
-
HK$3,986 HKD
$508 USD
View
A
Retailer 10
-
HK$4,119 HKD
$525 USD
View
B+
Retailer 11
-
HK$5,021 HKD
$640 USD
View
A
Retailer 12
-
HK$5,034 HKD
A$987 AUD
View
B+
Retailer 13
-
HK$5,390 HKD
$687 USD
View
Retailer 14
-
HK$6,034 HKD
$769 USD
View
Price last confirmed 48 days ago
B+
Retailer 15
-
HK$6,614 HKD
$843 USD
View
B
Retailer 16
-
HK$7,034 HKD
$897 USD
View
B+
Retailer 17
-
HK$7,626 HKD
$972 USD
View
Most Expensive
B+
MOH London
LG770644956 · Nov 1
HK$8,251 HKD
£828 GBP
View
17 more retailers have this diamond
Prices start from HK$1,663 HKDSave up to HK$6,587 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$1,663 HKD