Radiant|Lab Grown|IGI

1.40ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG836617734

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

Certificate IGI LG836617734

Diamond specifications and retailer prices

From HK$3,554 HKD
$453 USD
As of October 30, 2026
Save HK$17,002 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$22,753 HKD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.4ct lab-grown radiant diamond

This 1.4ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617734 or 836617734. Listed at 14 retailers as of October 30, 2026, with a 478% 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

1.40
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617734
Dimensions7.63 × 5.57 × 3.78 mm
L/W Ratio1.37
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
7.63 mm5.57 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617734
Side View
Table 66.0%Crown 45.2°Girdle: MED-STKPavilion 36°Culet: NoneDepth 67.9%

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$22,753 HKD|Low: HK$3,554 HKD|High: HK$24,792 HKD|Avg: HK$9,828 HKD|-0.5%
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
Retailer 16
October 30, 2026
Retailer 4HK$3,554 HKD
Retailer 6HK$3,931 HKD
Retailer 13HK$4,211 HKD
Retailer 7HK$5,100 HKD
Retailer 9HK$5,305 HKD
Retailer 3HK$6,222 HKD
Retailer 12HK$6,424 HKD
Retailer 15HK$6,761 HKD
Retailer 16HK$8,411 HKD
Retailer 14HK$10,144 HKD
Retailer 11HK$10,538 HKD
Retailer 10HK$11,918 HKD
Retailer 8HK$12,918 HKD
Retailer 5HK$15,554 HKD
Retailer 2HK$20,556 HKD
Rare CaratHK$22,753 HKD

11 data points across 16 retailers

14 retailersHK$3,554 HKD to HK$20,556 HKD

Retailer 1
-
HK$3,044 HKD
$388 USD
Price last confirmed 26 days ago
A
Retailer 2
-
HK$3,554 HKD
$453 USD
View
Final sale: no returns
Retailer 3
-
HK$3,931 HKD
$501 USD
View
Price last confirmed 28 days ago
Retailer 4
-
HK$4,211 HKD
£423 GBP
View
Price last confirmed 26 days ago
Retailer 5
-
HK$5,305 HKD
€644 EUR
View
Price last confirmed 8 days ago
Retailer 6
-
HK$6,222 HKD
$793 USD
View
Price last confirmed 27 days ago
Retailer 7
-
HK$6,761 HKD
ZAR 13,921 ZAR
View
Price last confirmed 26 days ago
Retailer 8
-
HK$10,144 HKD
$1,293 USD
View
Price last confirmed 26 days ago
B+
Retailer 9
-
HK$10,538 HKD
SGD 1,815 SGD
View
B
Retailer 10
-
HK$11,918 HKD
$1,519 USD
View
Retailer 11
-
HK$12,918 HKD
$1,647 USD
View
Price last confirmed 27 days ago
Retailer 12
-
HK$15,554 HKD
£1,561 GBP
View
Price last confirmed 27 days ago
B
Retailer 13
-
HK$20,556 HKD
$2,620 USD
View
Most Expensive
Rare Carat
JH-247113 · Oct 18
HK$22,753 HKD
$2,900 USD
View
Price last confirmed 13 days ago
13 more retailers have this diamond
Prices start from HK$3,554 HKDSave up to HK$17,002 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
1.40ct Radiant
HK$3,554 HKD