Radiant|Lab Grown|IGI

1.89ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG788624817

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

Certificate IGI LG788624817

Diamond specifications and retailer prices

From HK$7,249 HKD
$924 USD
As of November 1, 2026
Save HK$26,016 HKD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$35,816 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.89ct lab-grown radiant diamond

This 1.89ct 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 LG788624817 or 788624817. Listed at 11 retailers as of October 31, 2026, with a 359% 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

1.89
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624817
Dimensions8.53 × 6.29 × 4.28 mm
L/W Ratio1.36
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
8.53 mm6.29 mm1.89 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624817
Side View
Table 66.0%Crown 40.5°Girdle: MediumPavilion 37.5°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: Nov 1
Current: HK$35,816 HKD|Low: HK$7,249 HKD|High: HK$62,686 HKD|Avg: HK$26,634 HKD|+10.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7HK$7,249 HKD
Retailer 5HK$7,257 HKD
Retailer 9HK$11,494 HKD
Retailer 10HK$16,048 HKD
Retailer 11HK$19,705 HKD
Retailer 2HK$21,413 HKD
Retailer 3HK$22,423 HKD
Retailer 12HK$24,298 HKD
Retailer 6HK$27,225 HKD
Retailer 8HK$33,266 HKD
Rare CaratHK$35,816 HKD
Retailer 4HK$62,686 HKD

27 data points across 12 retailers

11 retailersHK$7,249 HKD to HK$33,266 HKD

Retailer 1
-
HK$4,825 HKD
$615 USD
Price last confirmed 24 days ago
Retailer 2
-
HK$5,445 HKD
$694 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
HK$7,249 HKD
$924 USD
View
A
Retailer 4
-
HK$7,257 HKD
$925 USD
View
B+
Retailer 5
-
HK$11,494 HKD
$1,465 USD
View
B+
Retailer 6
-
HK$16,048 HKD
$2,045 USD
View
Retailer 7
-
HK$17,363 HKD
$2,213 USD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
HK$21,413 HKD
£2,149 GBP
View
B
Retailer 9
-
HK$27,225 HKD
$3,470 USD
View
B
Retailer 10
-
HK$33,266 HKD
$4,240 USD
View
Most Expensive
Rare Carat
PE-183875 · Oct 21
HK$35,816 HKD
$4,565 USD
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from HK$7,249 HKDSave up to HK$26,016 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
1.89ct Radiant
HK$7,249 HKD