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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG850688192

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850688192

Diamond specifications and retailer prices

From HK$2,069 HKD
As of November 5, 2026
Save HK$8,352 HKD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$10,421 HKD at MOH London · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850688192 or 850688192. Listed at 20 retailers as of November 2, 2026, with prices from HK$2,069 to HK$10,421, a HK$8,352 spread on the same certified stone. MOH London lists it at HK$10,421. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850688192
Dimensions6.96 × 6.99 × 4.24 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
6.96 mm6.99 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850688192
Side View
Table 58.0%Crown 35.4°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 60.9%

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 5
Current: HK$10,421 HKD|Low: HK$2,069 HKD|High: HK$10,481 HKD|Avg: HK$5,672 HKD|-0.6%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 20HK$2,069 HKD
Retailer 3HK$2,398 HKD
Retailer 17HK$2,563 HKD
Retailer 12HK$2,908 HKD
Retailer 15HK$3,448 HKD
Retailer 18HK$3,801 HKD
Retailer 14HK$4,107 HKD
Retailer 10HK$4,201 HKD
Retailer 8HK$4,483 HKD
Retailer 11HK$4,585 HKD
Retailer 16HK$4,812 HKD
Retailer 2HK$5,572 HKD
Retailer 7HK$6,380 HKD
Retailer 9HK$7,994 HKD
Retailer 19HK$8,237 HKD
Retailer 4HK$8,386 HKD
Retailer 13HK$8,637 HKD
Retailer 6HK$8,856 HKD
Retailer 5HK$9,217 HKD
MOH LondonHK$10,421 HKD

10 data points across 20 retailers

20 retailersHK$2,069 HKD to HK$10,421 HKD

A
Cheapest Retailer
-
HK$2,069 HKD
A
Retailer 2
-
HK$2,398 HKD
View
A
Retailer 3
-
HK$2,563 HKD
View
A
Retailer 4
-
HK$2,908 HKD
View
A
Retailer 5
-
HK$3,448 HKD
View
A
Retailer 6
-
HK$3,801 HKD
View
A
Retailer 7
-
HK$4,107 HKD
View
Retailer 8
-
HK$4,201 HKD
View
Price last confirmed 8 days ago
A
Retailer 9
-
HK$4,483 HKD
View
A
Retailer 10
-
HK$4,585 HKD
View
A
Retailer 11
-
HK$4,812 HKD
View
B+
Retailer 12
-
HK$5,572 HKD
View
B+
Retailer 13
-
HK$6,380 HKD
View
B
Retailer 14
-
HK$7,994 HKD
View
B
Retailer 15
-
HK$8,237 HKD
View
B
Retailer 16
-
HK$8,386 HKD
View
B
Retailer 17
-
HK$8,637 HKD
View
B
Retailer 18
-
HK$8,856 HKD
View
B
Retailer 19
-
HK$9,217 HKD
View
Most Expensive
B
MOH London
LG850688192 · Nov 2
HK$10,421 HKD
£1,047 GBP
View
19 more retailers have this diamond
Prices start from HK$2,069 HKDSave up to HK$8,352 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$2,069 HKD