CaratHunter
Plans
Radiant|Lab Grown|IGI

1.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG840630413

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

Certificate IGI LG840630413

Diamond specifications and retailer prices

From HK$2,126 HKD
As of November 4, 2026
Save HK$17,144 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$19,270 HKD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 LG840630413 or 840630413. Listed at 22 retailers as of November 4, 2026, with prices from HK$2,126 to HK$19,270, a HK$17,144 spread on the same certified stone. Helzberg Diamonds lists it at HK$19,270. 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 angle48.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630413
Dimensions7.36 × 5.37 × 3.68 mm
L/W Ratio1.37
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
7.36 mm5.37 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630413
Side View
Table 64.0%Crown 48.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: HK$19,270 HKD|Low: HK$2,126 HKD|High: HK$26,206 HKD|Avg: HK$8,049 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 4, 2026
Retailer 10HK$2,126 HKD
Retailer 17HK$2,464 HKD
Retailer 21HK$2,471 HKD
Retailer 6HK$2,644 HKD
Retailer 2HK$2,707 HKD
Retailer 14HK$2,707 HKD
Retailer 20HK$3,884 HKD
Retailer 18HK$4,370 HKD
Retailer 19HK$4,590 HKD
Retailer 11HK$4,661 HKD
Retailer 15HK$4,684 HKD
Retailer 12HK$5,045 HKD
Retailer 22HK$6,810 HKD
Retailer 4HK$8,113 HKD
Retailer 16HK$8,489 HKD
Retailer 5HK$8,882 HKD
Retailer 7HK$9,533 HKD
Retailer 9HK$10,576 HKD
Retailer 8HK$10,678 HKD
Retailer 13HK$12,867 HKD
Retailer 3HK$16,555 HKD
Helzberg DiamondsHK$19,270 HKD

22 data points across 22 retailers

22 retailersHK$2,126 HKD to HK$19,270 HKD

A+
Cheapest Retailer
-
HK$2,126 HKD
A
Retailer 2
-
HK$2,464 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,471 HKD
View
A
Retailer 4
-
HK$2,644 HKD
View
Retailer 5
-
HK$2,707 HKD
View
Price last confirmed 10 days ago
A
Retailer 6
-
HK$2,707 HKD
View
A
Retailer 7
-
HK$3,884 HKD
View
A
Retailer 8
-
HK$4,370 HKD
View
A
Retailer 9
-
HK$4,590 HKD
View
A
Retailer 10
-
HK$4,661 HKD
View
A
Retailer 11
-
HK$4,684 HKD
View
A
Retailer 12
-
HK$5,045 HKD
View
B+
Retailer 13
-
HK$6,810 HKD
View
B+
Retailer 14
-
HK$8,113 HKD
View
B+
Retailer 15
-
HK$8,489 HKD
View
B+
Retailer 16
-
HK$8,882 HKD
View
B+
Retailer 17
-
HK$9,533 HKD
View
B+
Retailer 18
-
HK$10,576 HKD
View
B+
Retailer 19
-
HK$10,678 HKD
View
B
Retailer 20
-
HK$12,867 HKD
View
B
Retailer 21
-
HK$16,555 HKD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGKHJ · Nov 4
HK$19,270 HKD
$2,456 USD
View
21 more retailers have this diamond
Prices start from HK$2,126 HKDSave up to HK$17,144 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$2,126 HKD