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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816615690

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

Certificate IGI LG816615690

Diamond specifications and retailer prices

From HK$2,252 HKD
£226 GBP
As of October 30, 2026
Save HK$12,655 HKD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$15,495 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615690 or 816615690. Listed at 8 retailers as of October 30, 2026, with a 562% 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

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615690
Dimensions6.96 × 5.10 × 3.38 mm
L/W Ratio1.36
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
6.96 mm5.10 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615690
Side View
Table 64.0%Crown 24.7°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 66.3%

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: Oct 30
Current: HK$15,495 HKD|Low: HK$1,930 HKD|High: HK$17,967 HKD|Avg: HK$7,747 HKD|-0.8%
Rare Carat
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
October 30, 2026
Retailer 5HK$1,930 HKD
Retailer 8HK$2,252 HKD
Retailer 11HK$3,342 HKD
Retailer 3HK$4,551 HKD
Retailer 15HK$4,967 HKD
Retailer 6HK$4,998 HKD
Retailer 14HK$5,180 HKD
Retailer 10HK$6,206 HKD
Retailer 13HK$7,315 HKD
Retailer 4HK$8,442 HKD
Retailer 12HK$8,519 HKD
Retailer 7HK$10,021 HKD
Retailer 2HK$11,769 HKD
Retailer 9HK$14,907 HKD
Rare CaratHK$15,495 HKD

20 data points across 15 retailers

8 retailersHK$2,252 HKD to HK$14,907 HKD

A+
Cheapest Retailer
-
HK$2,252 HKD
£226 GBP
A
Retailer 2
-
HK$3,342 HKD
$426 USD
View
B+
Retailer 3
-
HK$6,206 HKD
$791 USD
View
B+
Retailer 4
-
HK$7,315 HKD
$932 USD
View
B+
Retailer 5
-
HK$8,519 HKD
£855 GBP
View
B
Retailer 6
-
HK$11,769 HKD
$1,500 USD
View
B
Retailer 7
-
HK$14,907 HKD
$1,900 USD
View
Most Expensive
Rare Carat
PE-229329 · Oct 21
HK$15,495 HKD
$1,975 USD
View
Price last confirmed 9 days ago
7 more retailers have this diamond
Prices start from HK$2,252 HKDSave up to HK$12,655 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+
1.05ct Radiant
HK$2,252 HKD