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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG668433294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668433294

Diamond specifications and retailer prices

From HK$1,857 HKD
As of November 5, 2026
Save HK$11,153 HKD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$13,010 HKD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG668433294 or 668433294. Listed at 23 retailers as of November 5, 2026, with prices from HK$1,857 to HK$13,010, a HK$11,153 spread on the same certified stone. Brilliant Earth lists it at HK$13,010. 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 angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668433294
Dimensions6.94 × 6.98 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.94 mm6.98 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668433294
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

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 5
Current: HK$13,010 HKD|Low: HK$1,779 HKD|High: HK$14,969 HKD|Avg: HK$5,267 HKD|-13.1%
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
November 6, 2026
Retailer 12HK$1,857 HKD
Retailer 5HK$2,077 HKD
Retailer 3HK$2,304 HKD
Retailer 13HK$3,096 HKD
Retailer 2HK$3,895 HKD
Retailer 6HK$4,138 HKD
Retailer 4HK$4,201 HKD
Retailer 7HK$4,271 HKD
Retailer 11HK$5,627 HKD
Retailer 10HK$7,422 HKD
Retailer 9HK$8,621 HKD
Retailer 8HK$9,193 HKD
Brilliant EarthHK$13,010 HKD

44 data points across 13 retailers

23 retailersHK$1,857 HKD to HK$13,010 HKD

A
Cheapest Retailer
-
HK$1,857 HKD
A
Retailer 2
-
HK$2,077 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,155 HKD
View
Retailer 4
-
HK$2,304 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$2,304 HKD
View
A
Retailer 6
-
HK$2,602 HKD
View
A
Retailer 7
-
HK$3,096 HKD
View
A
Retailer 8
-
HK$3,895 HKD
View
A
Retailer 9
-
HK$4,138 HKD
View
A
Retailer 10
-
HK$4,201 HKD
View
A
Retailer 11
-
HK$4,271 HKD
View
B+
Retailer 12
-
HK$5,494 HKD
View
B+
Retailer 13
-
HK$5,627 HKD
View
B+
Retailer 14
-
HK$6,121 HKD
View
B+
Retailer 15
-
HK$7,399 HKD
View
B+
Retailer 16
-
HK$7,422 HKD
View
B+
Retailer 17
-
HK$7,422 HKD
View
B+
Retailer 18
-
HK$7,798 HKD
View
B+
Retailer 19
-
HK$7,994 HKD
View
B
Retailer 20
-
HK$8,621 HKD
View
B+
Retailer 21
-
HK$9,193 HKD
View
B
Retailer 22
-
HK$12,775 HKD
View
Most Expensive
B
Brilliant Earth
15028331A · Nov 5
HK$13,010 HKD
$1,660 USD
View
22 more retailers have this diamond
Prices start from HK$1,857 HKDSave up to HK$11,153 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$1,857 HKD