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Radiant|Lab Grown|IGI

1.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800679998

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG800679998

Diamond specifications and retailer prices

From HK$4,213 HKD
As of November 3, 2026
Save HK$22,070 HKD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$26,283 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant 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 LG800679998 or 800679998. Listed at 11 retailers as of November 3, 2026, with prices from HK$4,213 to HK$26,283, a HK$22,070 spread on the same certified stone. Brilliant Earth lists it at HK$26,283. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679998
Dimensions7.95 × 5.46 × 3.46 mm
L/W Ratio1.46
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
7.95 mm5.46 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679998
Side View
Table 62.0%Crown 39°Girdle: MED-STKPavilion 33°Culet: NoneDepth 63.4%

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 3
Current: HK$26,283 HKD|Low: HK$4,213 HKD|High: HK$26,283 HKD|Avg: HK$10,177 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 3HK$4,213 HKD
Retailer 10HK$5,194 HKD
Retailer 6HK$5,531 HKD
Retailer 5HK$5,931 HKD
Retailer 2HK$6,583 HKD
Retailer 8HK$7,093 HKD
Retailer 7HK$8,458 HKD
Retailer 9HK$12,122 HKD
Retailer 11HK$14,193 HKD
Retailer 4HK$14,366 HKD
Brilliant EarthHK$26,283 HKD

44 data points across 11 retailers

11 retailersHK$4,213 HKD to HK$26,283 HKD

A
Cheapest Retailer
-
HK$4,213 HKD
A
Retailer 2
-
HK$5,194 HKD
View
A
Retailer 3
-
HK$5,531 HKD
View
A
Retailer 4
-
HK$5,931 HKD
View
A
Retailer 5
-
HK$6,583 HKD
View
A
Retailer 6
-
HK$7,093 HKD
View
B+
Retailer 7
-
HK$8,458 HKD
View
B+
Retailer 8
-
HK$12,122 HKD
View
B+
Retailer 9
-
HK$14,193 HKD
View
B+
Retailer 10
-
HK$14,366 HKD
View
Most Expensive
B
Brilliant Earth
21143984A · Nov 4
HK$26,283 HKD
$3,350 USD
View
10 more retailers have this diamond
Prices start from HK$4,213 HKDSave up to HK$22,070 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
1.29ct Radiant
HK$4,213 HKD