Radiant|Lab Grown|IGI

1.83ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816615222

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

Certificate IGI LG816615222

Diamond specifications and retailer prices

From HK$7,053 HKD
$899 USD
As of November 1, 2026
Save HK$25,193 HKD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$34,678 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.83ct lab-grown radiant diamond

This 1.83ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615222 or 816615222. Listed at 8 retailers as of November 1, 2026, with a 357% 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

1.83
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615222
Dimensions8.43 × 6.19 × 4.16 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
8.43 mm6.19 mm1.83 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615222
Side View
Table 65.0%Crown 44.5°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 67.2%

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 1
Current: HK$34,678 HKD|Low: HK$4,331 HKD|High: HK$41,504 HKD|Avg: HK$18,385 HKD|+9.4%
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
November 1, 2026
Retailer 13HK$4,331 HKD
Retailer 10HK$7,053 HKD
Retailer 6HK$7,061 HKD
Retailer 12HK$9,869 HKD
Retailer 9HK$11,612 HKD
Retailer 5HK$12,326 HKD
Retailer 11HK$15,617 HKD
Retailer 3HK$18,174 HKD
Retailer 2HK$20,765 HKD
Retailer 4HK$21,705 HKD
Retailer 7HK$26,362 HKD
Retailer 8HK$32,246 HKD
Rare CaratHK$34,678 HKD

18 data points across 13 retailers

8 retailersHK$7,053 HKD to HK$32,246 HKD

A
Cheapest Retailer
-
HK$7,053 HKD
$899 USD
A
Retailer 2
-
HK$7,061 HKD
$900 USD
View
B+
Retailer 3
-
HK$11,612 HKD
$1,480 USD
View
B+
Retailer 4
-
HK$15,617 HKD
$1,991 USD
View
B+
Retailer 5
-
HK$20,765 HKD
£2,084 GBP
View
B
Retailer 6
-
HK$26,362 HKD
$3,360 USD
View
B
Retailer 7
-
HK$32,246 HKD
$4,110 USD
View
Most Expensive
Rare Carat
PD-227809 · Oct 21
HK$34,678 HKD
$4,420 USD
View
Price last confirmed 11 days ago
7 more retailers have this diamond
Prices start from HK$7,053 HKDSave up to HK$25,193 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
1.83ct Radiant
HK$7,053 HKD