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Radiant|Lab Grown|IGI

1.29ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754508761

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

Certificate IGI LG754508761

Diamond specifications and retailer prices

From HK$3,515 HKD
As of November 4, 2026
Save HK$11,274 HKD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$14,789 HKD at Blue Nile · As of November 3, 2026
View at Blue Nile

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508761 or 754508761. Listed at 14 retailers as of November 3, 2026, with prices from HK$3,515 to HK$14,789, a HK$11,274 spread on the same certified stone. Blue Nile lists it at HK$14,789. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508761
Dimensions5.37 × 5.37 × 3.54 mm
L/W Ratio1.00
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
5.37 mm5.37 mm1.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508761
Side View
Table 62.0%Crown 46.9°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 65.9%

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 4
Current: HK$14,789 HKD|Low: HK$3,091 HKD|High: HK$20,007 HKD|Avg: HK$8,942 HKD
Blue Nile
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
November 4, 2026
Retailer 2HK$3,515 HKD
Retailer 7HK$3,546 HKD
Retailer 10HK$4,174 HKD
Retailer 5HK$4,299 HKD
Retailer 9HK$4,747 HKD
Retailer 6HK$5,280 HKD
Retailer 11HK$5,563 HKD
Retailer 12HK$9,399 HKD
Retailer 8HK$10,082 HKD
Retailer 4HK$10,152 HKD
Retailer 13HK$10,639 HKD
Retailer 3HK$14,476 HKD
Retailer 14HK$14,672 HKD
Blue NileHK$14,789 HKD

43 data points across 14 retailers

14 retailersHK$3,515 HKD to HK$14,789 HKD

A
Cheapest Retailer
-
HK$3,515 HKD
A
Retailer 2
-
HK$3,546 HKD
View
A
Retailer 3
-
HK$4,174 HKD
View
A
Retailer 4
-
HK$4,299 HKD
View
A
Retailer 5
-
HK$4,747 HKD
View
A
Retailer 6
-
HK$5,280 HKD
View
A
Retailer 7
-
HK$5,563 HKD
View
B+
Retailer 8
-
HK$9,399 HKD
View
B
Retailer 9
-
HK$10,082 HKD
View
Retailer 10
-
HK$10,152 HKD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
HK$10,639 HKD
View
Retailer 12
-
HK$14,476 HKD
View
Price last confirmed 17 days ago
B
Retailer 13
-
HK$14,672 HKD
View
Most Expensive
B
Blue Nile
28885049 · Nov 3
HK$14,789 HKD
$1,885 USD
View
13 more retailers have this diamond
Prices start from HK$3,515 HKDSave up to HK$11,274 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$3,515 HKD