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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG800679326

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800679326

Diamond specifications and retailer prices

From HK$3,916 HKD
As of October 28, 2026
Save HK$15,932 HKD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$19,848 HKD at Brilliant Earth · As of October 28, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679326 or 800679326. Listed at 12 retailers as of October 28, 2026, with prices from HK$3,916 to HK$19,848, a HK$15,932 spread on the same certified stone. Brilliant Earth lists it at HK$19,848. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679326
Dimensions6.88 × 6.94 × 4.29 mm
L/W Ratio1.01
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
6.88 mm6.94 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679326
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.0%

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: Oct 28
Current: HK$19,848 HKD|Low: HK$3,916 HKD|High: HK$23,143 HKD|Avg: HK$9,674 HKD|-14.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11HK$3,916 HKD
Retailer 12HK$4,786 HKD
Retailer 6HK$5,511 HKD
Retailer 2HK$6,048 HKD
Retailer 7HK$6,211 HKD
Retailer 8HK$6,402 HKD
Retailer 9HK$7,732 HKD
Retailer 3HK$11,208 HKD
Retailer 4HK$12,631 HKD
Retailer 10HK$12,968 HKD
Retailer 5HK$13,291 HKD
Brilliant EarthHK$19,848 HKD

41 data points across 12 retailers

12 retailersHK$3,916 HKD to HK$19,848 HKD

A
Cheapest Retailer
-
HK$3,916 HKD
A
Retailer 2
-
HK$4,786 HKD
$610 USD
View
A
Retailer 3
-
HK$5,511 HKD
€669 EUR
View
A
Retailer 4
-
HK$6,048 HKD
£607 GBP
View
A
Retailer 5
-
HK$6,211 HKD
A$1,218 AUD
View
A
Retailer 6
-
HK$6,402 HKD
$816 USD
View
B+
Retailer 7
-
HK$7,732 HKD
$986 USD
View
B+
Retailer 8
-
HK$11,208 HKD
$1,429 USD
View
B
Retailer 9
-
HK$12,631 HKD
$1,610 USD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
HK$12,968 HKD
$1,653 USD
View
B+
Retailer 11
-
HK$13,291 HKD
£1,334 GBP
View
Most Expensive
B
Brilliant Earth
20788373A · Oct 28
HK$19,848 HKD
$2,530 USD
View
11 more retailers have this diamond
Prices start from HK$3,916 HKDSave up to HK$15,932 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$3,916 HKD