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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG800679863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800679863

Diamond specifications and retailer prices

From HK$3,917 HKD
As of October 30, 2026
Save HK$15,934 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$19,851 HKD at Brilliant Earth · As of October 29, 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 LG800679863 or 800679863. Listed at 13 retailers as of October 29, 2026, with prices from HK$3,917 to HK$19,851, a HK$15,934 spread on the same certified stone. Brilliant Earth lists it at HK$19,851. 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 angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679863
Dimensions6.93 × 6.97 × 4.31 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
6.93 mm6.97 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679863
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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: Oct 30
Current: HK$19,851 HKD|Low: HK$3,917 HKD|High: HK$23,147 HKD|Avg: HK$9,624 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
Retailer 13
October 30, 2026
Retailer 13HK$3,917 HKD
Retailer 3HK$4,786 HKD
Retailer 6HK$5,512 HKD
Retailer 8HK$5,816 HKD
Retailer 2HK$6,067 HKD
Retailer 7HK$6,212 HKD
Retailer 10HK$6,403 HKD
Retailer 11HK$7,733 HKD
Retailer 4HK$11,210 HKD
Retailer 5HK$12,633 HKD
Retailer 12HK$12,970 HKD
Retailer 9HK$13,243 HKD
Brilliant EarthHK$19,851 HKD

42 data points across 13 retailers

13 retailersHK$3,917 HKD to HK$19,851 HKD

A
Cheapest Retailer
-
HK$3,917 HKD
A
Retailer 2
-
HK$4,786 HKD
$610 USD
View
A
Retailer 3
-
HK$5,512 HKD
€669 EUR
View
A
Retailer 4
-
HK$5,816 HKD
ZAR 11,975 ZAR
View
A
Retailer 5
-
HK$6,067 HKD
£609 GBP
View
A
Retailer 6
-
HK$6,212 HKD
A$1,218 AUD
View
A
Retailer 7
-
HK$6,403 HKD
$816 USD
View
B+
Retailer 8
-
HK$7,733 HKD
$986 USD
View
B+
Retailer 9
-
HK$11,210 HKD
$1,429 USD
View
Retailer 10
-
HK$12,633 HKD
$1,610 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
HK$12,970 HKD
$1,653 USD
View
B+
Retailer 12
-
HK$13,243 HKD
£1,329 GBP
View
Most Expensive
B
Brilliant Earth
20936621A · Oct 29
HK$19,851 HKD
$2,530 USD
View
12 more retailers have this diamond
Prices start from HK$3,917 HKDSave up to HK$15,934 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$3,917 HKD