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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG582372249

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582372249

Diamond specifications and retailer prices

From HK$2,022 HKD
As of November 5, 2026
Save HK$11,537 HKD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$13,559 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 LG582372249 or 582372249. Listed at 24 retailers as of November 5, 2026, with prices from HK$2,022 to HK$13,559, a HK$11,537 spread on the same certified stone. Brilliant Earth lists it at HK$13,559. 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 angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582372249
Dimensions6.97 × 6.94 × 4.27 mm
L/W Ratio1.00
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
6.97 mm6.94 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582372249
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.4%

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$13,559 HKD|Low: HK$2,022 HKD|High: HK$13,559 HKD|Avg: HK$5,202 HKD|+6.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
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Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 19HK$2,022 HKD
Retailer 4HK$2,265 HKD
Retailer 11HK$2,343 HKD
Retailer 9HK$2,508 HKD
Retailer 5HK$3,370 HKD
Retailer 6HK$3,762 HKD
Retailer 2HK$4,021 HKD
Retailer 17HK$4,326 HKD
Retailer 12HK$4,483 HKD
Retailer 3HK$4,499 HKD
Retailer 13HK$4,726 HKD
Retailer 7HK$5,557 HKD
Retailer 16HK$6,152 HKD
Retailer 15HK$7,704 HKD
Retailer 8HK$8,065 HKD
Retailer 10HK$8,457 HKD
Retailer 18HK$8,809 HKD
Retailer 14HK$10,016 HKD
Brilliant EarthHK$13,559 HKD

32 data points across 19 retailers

24 retailersHK$2,022 HKD to HK$13,559 HKD

A
Cheapest Retailer
-
HK$2,022 HKD
A
Retailer 2
-
HK$2,265 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,343 HKD
View
A
Retailer 4
-
HK$2,508 HKD
View
Retailer 5
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HK$2,563 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$3,370 HKD
View
A
Retailer 7
-
HK$3,762 HKD
View
A
Retailer 8
-
HK$4,021 HKD
View
A
Retailer 9
-
HK$4,326 HKD
View
A
Retailer 10
-
HK$4,483 HKD
View
A
Retailer 11
-
HK$4,499 HKD
View
A
Retailer 12
-
HK$4,726 HKD
View
B+
Retailer 13
-
HK$5,557 HKD
View
B+
Retailer 14
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HK$6,152 HKD
View
B+
Retailer 15
-
HK$6,419 HKD
View
Retailer 16
-
HK$7,618 HKD
View
Price last confirmed 151 days ago
B+
Retailer 17
-
HK$7,704 HKD
View
B
Retailer 18
-
HK$8,065 HKD
View
B
Retailer 19
-
HK$8,457 HKD
View
B
Retailer 20
-
HK$8,809 HKD
View
Retailer 21
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HK$9,695 HKD
View
Price last confirmed 82 days ago
B
Retailer 22
-
HK$10,016 HKD
View
B
Retailer 23
-
HK$12,775 HKD
View
Most Expensive
B
Brilliant Earth
12499201A · Nov 5
HK$13,559 HKD
$1,730 USD
View
23 more retailers have this diamond
Prices start from HK$2,022 HKDSave up to HK$11,537 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$2,022 HKD