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Radiant|Lab Grown|IGI

1.29ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG750596125

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

Certificate IGI LG750596125

Diamond specifications and retailer prices

From HK$1,946 HKD
$248 USD
As of October 30, 2026
Save HK$13,981 HKD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$15,927 HKD at Brilliant Earth · As of October 31, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG750596125 or 750596125. Listed at 22 retailers as of October 30, 2026, with prices from HK$1,946 to HK$15,927, a HK$13,981 spread on the same certified stone. Brilliant Earth lists it at HK$15,927. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750596125
Dimensions7.77 × 5.31 × 3.67 mm
L/W Ratio1.46
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
7.77 mm5.31 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750596125
Side View
Table 59.0%Crown 36.5°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 69.1%

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$15,927 HKD|Low: HK$1,867 HKD|High: HK$19,379 HKD|Avg: HK$5,911 HKD|-17.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17HK$1,946 HKD
Retailer 9HK$2,173 HKD
Retailer 5HK$2,260 HKD
Retailer 6HK$2,416 HKD
Retailer 18HK$2,416 HKD
Retailer 12HK$4,004 HKD
Retailer 4HK$4,056 HKD
Retailer 13HK$4,152 HKD
Retailer 8HK$4,307 HKD
Retailer 11HK$4,557 HKD
Retailer 14HK$5,880 HKD
Retailer 3HK$7,767 HKD
Retailer 16HK$7,799 HKD
Retailer 7HK$7,803 HKD
Retailer 10HK$9,446 HKD
Retailer 2HK$9,685 HKD
Retailer 15HK$11,494 HKD
Brilliant EarthHK$15,927 HKD

44 data points across 18 retailers

22 retailersHK$1,946 HKD to HK$15,927 HKD

A
Cheapest Retailer
-
HK$1,946 HKD
$248 USD
A
Retailer 2
-
HK$2,173 HKD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,260 HKD
$288 USD
View
Retailer 4
-
HK$2,416 HKD
$308 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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HK$2,416 HKD
$308 USD
View
A
Retailer 6
-
HK$2,711 HKD
View
A
Retailer 7
-
HK$4,004 HKD
€486 EUR
View
A
Retailer 8
-
HK$4,056 HKD
$517 USD
View
A
Retailer 9
-
HK$4,152 HKD
ZAR 8,549 ZAR
View
A
Retailer 10
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HK$4,307 HKD
$549 USD
View
A
Retailer 11
-
HK$4,557 HKD
£457 GBP
View
A
Retailer 12
-
HK$5,880 HKD
A$1,153 AUD
View
B+
Retailer 13
-
HK$6,896 HKD
$879 USD
View
B+
Retailer 14
-
HK$7,767 HKD
$990 USD
View
B+
Retailer 15
-
HK$7,799 HKD
$994 USD
View
B+
Retailer 16
-
HK$7,803 HKD
SGD 1,344 SGD
View
B+
Retailer 17
-
HK$8,173 HKD
$1,042 USD
View
B+
Retailer 18
-
HK$9,446 HKD
£948 GBP
View
B+
Retailer 19
-
HK$9,685 HKD
£972 GBP
View
B
Retailer 20
-
HK$10,576 HKD
$1,348 USD
View
Retailer 21
-
HK$11,494 HKD
$1,465 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
19055906A · Oct 31
HK$15,927 HKD
$2,030 USD
View
21 more retailers have this diamond
Prices start from HK$1,946 HKDSave up to HK$13,981 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$1,946 HKD