Radiant|Lab Grown|IGI

1.40ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816616274

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

Certificate IGI LG816616274

Diamond specifications and retailer prices

From HK$2,746 HKD
$350 USD
As of October 30, 2026
Save HK$18,280 HKD (87%) vs most expensive(unlock to see where)
18 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 LG816616274 or 816616274. Listed at 18 retailers as of October 30, 2026, with a 666% 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 angle44.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616274
Dimensions7.62 × 5.62 × 3.83 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
7.62 mm5.62 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616274
Side View
Table 62.0%Crown 44.8°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 68.1%

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$2,746 HKD|High: HK$24,714 HKD|Avg: HK$9,290 HKD|-1.5%
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
November 1, 2026
Retailer 4HK$2,746 HKD
Retailer 7HK$3,931 HKD
Retailer 9HK$4,511 HKD
Retailer 14HK$4,700 HKD
Retailer 12HK$4,929 HKD
Retailer 2HK$5,084 HKD
Retailer 8HK$5,322 HKD
Retailer 3HK$8,112 HKD
Retailer 13HK$8,811 HKD
Retailer 15HK$9,600 HKD
Retailer 6HK$10,538 HKD
Retailer 11HK$11,558 HKD
Retailer 5HK$11,918 HKD
Retailer 10HK$21,026 HKD
Rare CaratHK$22,753 HKD

30 data points across 15 retailers

18 retailersHK$2,746 HKD to HK$21,026 HKD

A
Cheapest Retailer
-
HK$2,746 HKD
$350 USD
Final sale: no returns
Retailer 2
-
HK$3,044 HKD
$388 USD
View
Price last confirmed 29 days ago
Retailer 3
-
HK$3,554 HKD
$453 USD
View
Price last confirmed 34 days ago
Retailer 4
-
HK$3,931 HKD
$501 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
HK$4,511 HKD
$575 USD
View
A
Retailer 6
-
HK$4,700 HKD
$599 USD
View
A
Retailer 7
-
HK$4,929 HKD
ZAR 10,150 ZAR
View
A
Retailer 8
-
HK$5,084 HKD
£510 GBP
View
A
Retailer 9
-
HK$5,322 HKD
€646 EUR
View
B+
Retailer 10
-
HK$8,112 HKD
$1,034 USD
View
B+
Retailer 11
-
HK$8,811 HKD
$1,123 USD
View
B+
Retailer 12
-
HK$9,600 HKD
$1,224 USD
View
B+
Retailer 13
-
HK$10,538 HKD
SGD 1,815 SGD
View
B
Retailer 14
-
HK$11,558 HKD
£1,160 GBP
View
B
Retailer 15
-
HK$11,918 HKD
$1,519 USD
View
Retailer 16
-
HK$12,639 HKD
$1,611 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
HK$21,026 HKD
$2,680 USD
View
Most Expensive
Rare Carat
PD-232045 · Oct 18
HK$22,753 HKD
$2,900 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from HK$2,746 HKDSave up to HK$18,280 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$2,746 HKD