Radiant|Lab Grown|IGI

1.30ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG787612679

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

Certificate IGI LG787612679

Diamond specifications and retailer prices

From HK$1,985 HKD
$253 USD
As of October 30, 2026
Save HK$15,825 HKD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$17,810 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.3ct lab-grown radiant diamond

This 1.3ct 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 LG787612679 or 787612679. Listed at 21 retailers as of October 30, 2026, with prices from HK$1,985 to HK$17,810, a HK$15,825 spread on the same certified stone. Brilliant Earth lists it at HK$17,810. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787612679
Dimensions7.75 × 5.38 × 3.70 mm
L/W Ratio1.44
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
7.75 mm5.38 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787612679
Side View
Table 64.0%Crown 40.7°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 68.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$17,810 HKD|Low: HK$1,907 HKD|High: HK$18,045 HKD|Avg: HK$5,659 HKD|+8.6%
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
November 1, 2026
Retailer 3HK$1,985 HKD
Retailer 8HK$2,220 HKD
Retailer 6HK$2,307 HKD
Retailer 4HK$2,464 HKD
Retailer 7HK$2,464 HKD
Retailer 10HK$3,311 HKD
Retailer 13HK$3,727 HKD
Retailer 11HK$4,234 HKD
Retailer 9HK$4,424 HKD
Retailer 2HK$4,658 HKD
Retailer 12HK$5,997 HKD
Retailer 16HK$6,018 HKD
Retailer 5HK$7,924 HKD
Retailer 14HK$9,894 HKD
Retailer 15HK$14,318 HKD
Brilliant EarthHK$17,810 HKD

44 data points across 16 retailers

21 retailersHK$1,985 HKD to HK$17,810 HKD

A
Cheapest Retailer
-
HK$1,985 HKD
$253 USD
A
Retailer 2
-
HK$2,220 HKD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,307 HKD
$294 USD
View
A
Retailer 4
-
HK$2,464 HKD
$314 USD
View
A
Retailer 5
-
HK$2,464 HKD
$314 USD
View
A
Retailer 6
-
HK$3,311 HKD
$422 USD
View
A
Retailer 7
-
HK$3,727 HKD
$475 USD
View
A
Retailer 8
-
HK$4,234 HKD
ZAR 8,719 ZAR
View
A
Retailer 9
-
HK$4,424 HKD
€537 EUR
View
A
Retailer 10
-
HK$4,658 HKD
£467 GBP
View
A
Retailer 11
-
HK$5,997 HKD
A$1,176 AUD
View
B+
Retailer 12
-
HK$6,018 HKD
$767 USD
View
B+
Retailer 13
-
HK$7,006 HKD
$893 USD
View
B+
Retailer 14
-
HK$7,924 HKD
$1,010 USD
View
B+
Retailer 15
-
HK$8,326 HKD
$1,061 USD
View
B+
Retailer 16
-
HK$9,894 HKD
£993 GBP
View
B
Retailer 17
-
HK$10,699 HKD
$1,364 USD
View
Retailer 18
-
HK$14,318 HKD
$1,825 USD
View
Price last confirmed 13 days ago
Retailer 19
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HK$15,284 HKD
$1,948 USD
View
Price last confirmed 83 days ago
Retailer 20
-
HK$16,398 HKD
$2,090 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21312643A · Oct 31
HK$17,810 HKD
$2,270 USD
View
20 more retailers have this diamond
Prices start from HK$1,985 HKDSave up to HK$15,825 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
1.30ct Radiant
HK$1,985 HKD