Radiant|Lab Grown|IGI

1.36ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816615817

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

Certificate IGI LG816615817

Diamond specifications and retailer prices

From HK$2,558 HKD
$326 USD
As of October 31, 2026
Save HK$18,390 HKD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$32,717 HKD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.36ct lab-grown radiant diamond

This 1.36ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615817 or 816615817. Listed at 20 retailers as of October 30, 2026, with a 719% 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

1.36
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615817
Dimensions7.61 × 5.59 × 3.66 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
7.61 mm5.59 mm1.36 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615817
Side View
Table 63.0%Crown 47.4°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 65.5%

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 31
Current: HK$20,948 HKD|Low: HK$2,558 HKD|High: HK$32,717 HKD|Avg: HK$10,445 HKD|-36.0%
Brilliant Earth
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 31, 2026
Retailer 9HK$2,558 HKD
Retailer 8HK$3,915 HKD
Retailer 11HK$4,433 HKD
Retailer 14HK$4,653 HKD
Retailer 12HK$4,873 HKD
Retailer 10HK$5,020 HKD
Retailer 2HK$5,272 HKD
Retailer 16HK$7,524 HKD
Retailer 13HK$8,717 HKD
Retailer 15HK$9,497 HKD
Retailer 6HK$10,445 HKD
Retailer 7HK$11,359 HKD
Retailer 3HK$11,379 HKD
Retailer 5HK$11,816 HKD
Brilliant EarthHK$20,948 HKD
Retailer 4HK$24,008 HKD

30 data points across 16 retailers

20 retailersHK$2,558 HKD to HK$20,948 HKD

A+
Cheapest Retailer
-
HK$2,558 HKD
$326 USD
Final sale: no returns
Retailer 2
-
HK$3,028 HKD
$386 USD
View
Price last confirmed 29 days ago
Retailer 3
-
HK$3,531 HKD
$450 USD
View
Price last confirmed 34 days ago
Retailer 4
-
HK$3,915 HKD
$499 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
HK$4,433 HKD
$565 USD
View
A
Retailer 6
-
HK$4,653 HKD
$593 USD
View
A
Retailer 7
-
HK$4,873 HKD
ZAR 10,034 ZAR
View
A
Retailer 8
-
HK$5,020 HKD
£504 GBP
View
A
Retailer 9
-
HK$5,272 HKD
€640 EUR
View
B+
Retailer 10
-
HK$7,524 HKD
$959 USD
View
B+
Retailer 11
-
HK$8,717 HKD
$1,111 USD
View
B+
Retailer 12
-
HK$9,497 HKD
$1,211 USD
View
B+
Retailer 13
-
HK$10,445 HKD
SGD 1,799 SGD
View
Retailer 14
-
HK$11,359 HKD
£1,140 GBP
View
Price last confirmed 26 days ago
B+
Retailer 15
-
HK$11,379 HKD
£1,142 GBP
View
B
Retailer 16
-
HK$11,816 HKD
$1,506 USD
View
Retailer 17
-
HK$12,577 HKD
$1,603 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
HK$20,948 HKD
$2,670 USD
View
Retailer 19
-
HK$24,008 HKD
$3,060 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
21139509A · Sep 28
HK$32,717 HKD
$4,170 USD
View
Price last confirmed 32 days ago
19 more retailers have this diamond
Prices start from HK$2,558 HKDSave up to HK$18,390 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+
1.36ct Radiant
HK$2,558 HKD