Radiant|Lab Grown|IGI

1.03ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG779645252

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

Certificate IGI LG779645252

Diamond specifications and retailer prices

From HK$1,687 HKD
$215 USD
As of October 30, 2026
Save HK$8,045 HKD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$13,417 HKD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG779645252 or 779645252. Listed at 22 retailers as of October 30, 2026, with a 477% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779645252
Dimensions7.31 × 4.93 × 3.35 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm4.93 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779645252
Side View
Table 65.0%Crown 44.1°Girdle: MediumPavilion 37.4°Culet: NoneDepth 68.0%

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$13,417 HKD|Low: HK$1,334 HKD|High: HK$13,417 HKD|Avg: HK$4,655 HKD
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
October 30, 2026
Retailer 3HK$1,687 HKD
Retailer 15HK$1,875 HKD
Retailer 6HK$1,954 HKD
Retailer 4HK$2,087 HKD
Retailer 7HK$2,087 HKD
Retailer 16HK$3,370 HKD
Retailer 2HK$3,586 HKD
Retailer 13HK$3,587 HKD
Retailer 10HK$3,868 HKD
Retailer 9HK$3,931 HKD
Retailer 14HK$5,105 HKD
Retailer 5HK$6,717 HKD
Retailer 17HK$6,732 HKD
Retailer 12HK$7,013 HKD
Retailer 8HK$8,131 HKD
Retailer 11HK$8,410 HKD
Brilliant EarthHK$13,417 HKD

45 data points across 17 retailers

22 retailersHK$1,687 HKD to HK$9,732 HKD

A
Cheapest Retailer
-
HK$1,687 HKD
$215 USD
A
Retailer 2
-
HK$1,875 HKD
$239 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,954 HKD
$249 USD
View
A
Retailer 4
-
HK$2,087 HKD
$266 USD
View
A
Retailer 5
-
HK$2,087 HKD
$266 USD
View
A
Retailer 6
-
HK$2,310 HKD
View
A
Retailer 7
-
HK$3,370 HKD
€409 EUR
View
A
Retailer 8
-
HK$3,586 HKD
$457 USD
View
A
Retailer 9
-
HK$3,587 HKD
ZAR 7,386 ZAR
View
A
Retailer 10
-
HK$3,868 HKD
£388 GBP
View
A
Retailer 11
-
HK$3,931 HKD
$501 USD
View
A
Retailer 12
-
HK$4,590 HKD
$585 USD
View
B+
Retailer 13
-
HK$5,105 HKD
A$1,001 AUD
View
B+
Retailer 14
-
HK$5,661 HKD
SGD 975 SGD
View
B+
Retailer 15
-
HK$6,717 HKD
$856 USD
View
B+
Retailer 16
-
HK$6,732 HKD
$858 USD
View
B+
Retailer 17
-
HK$7,013 HKD
A$1,375 AUD
View
B+
Retailer 18
-
HK$7,128 HKD
$908 USD
View
B
Retailer 19
-
HK$8,131 HKD
£816 GBP
View
B+
Retailer 20
-
HK$8,410 HKD
£844 GBP
View
B
Retailer 21
-
HK$9,732 HKD
$1,240 USD
View
Most Expensive
Brilliant Earth
18018351A · Oct 22
HK$13,417 HKD
$1,710 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from HK$1,687 HKDSave up to HK$8,045 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
1.03ct Radiant
HK$1,687 HKD