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Oval|Lab Grown|IGI

1.28ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG812620275

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812620275

Diamond specifications and retailer prices

From HK$1,969 HKD
As of November 5, 2026
Save HK$12,544 HKD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$14,514 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval 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 LG812620275 or 812620275. Listed at 22 retailers as of November 4, 2026, with prices from HK$1,969 to HK$14,514, a HK$12,544 spread on the same certified stone. Brilliant Earth lists it at HK$14,514. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620275
Dimensions8.89 × 6.12 × 3.77 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.89 mm6.12 mm1.28 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620275
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.6%

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$14,514 HKD|Low: HK$1,969 HKD|High: HK$14,906 HKD|Avg: HK$5,828 HKD|-2.6%
Brilliant Earth
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
November 6, 2026
Retailer 9HK$1,969 HKD
Retailer 7HK$2,236 HKD
Retailer 4HK$3,154 HKD
Retailer 15HK$3,719 HKD
Retailer 14HK$3,852 HKD
Retailer 2HK$4,001 HKD
Retailer 5HK$4,731 HKD
Retailer 6HK$4,848 HKD
Retailer 13HK$5,460 HKD
Retailer 3HK$5,805 HKD
Retailer 8HK$6,935 HKD
Retailer 12HK$7,414 HKD
Retailer 10HK$8,700 HKD
Retailer 11HK$9,807 HKD
Brilliant EarthHK$14,514 HKD

37 data points across 15 retailers

22 retailersHK$1,969 HKD to HK$14,514 HKD

Retailer 1
-
HK$1,804 HKD
Price last confirmed 44 days ago
Retailer 2
-
HK$1,804 HKD
View
Price last confirmed 27 days ago
A
Retailer 3
-
HK$1,969 HKD
View
Final sale: no returns
Retailer 4
-
HK$2,087 HKD
View
Price last confirmed 42 days ago
Retailer 5
-
HK$2,205 HKD
View
Price last confirmed 42 days ago
Retailer 6
-
HK$2,236 HKD
View
Price last confirmed 25 days ago
Retailer 7
-
HK$2,236 HKD
View
Price last confirmed 35 days ago
A
Retailer 8
-
HK$3,154 HKD
View
A
Retailer 9
-
HK$3,719 HKD
View
A
Retailer 10
-
HK$3,852 HKD
View
A
Retailer 11
-
HK$4,001 HKD
View
A
Retailer 12
-
HK$4,731 HKD
View
A
Retailer 13
-
HK$4,848 HKD
View
A
Retailer 14
-
HK$5,460 HKD
View
A
Retailer 15
-
HK$5,805 HKD
View
B+
Retailer 16
-
HK$6,935 HKD
View
Retailer 17
-
HK$7,178 HKD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
HK$7,414 HKD
View
B+
Retailer 19
-
HK$8,700 HKD
View
B+
Retailer 20
-
HK$9,807 HKD
View
B+
Retailer 21
-
HK$10,105 HKD
View
Most Expensive
B
Brilliant Earth
20677511A · Nov 4
HK$14,514 HKD
$1,850 USD
View
21 more retailers have this diamond
Prices start from HK$1,969 HKDSave up to HK$12,544 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 Oval
HK$1,969 HKD