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Radiant|Lab Grown|IGI

1.35ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816615915

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

Certificate IGI LG816615915

Diamond specifications and retailer prices

From HK$2,534 HKD
$323 USD
As of October 31, 2026
Save HK$18,257 HKD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$23,812 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.35ct lab-grown radiant diamond

This 1.35ct 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 LG816615915 or 816615915. Listed at 19 retailers as of October 30, 2026, with a 720% 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

1.35
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615915
Dimensions7.63 × 5.32 × 3.86 mm
L/W Ratio1.43
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 mm5.32 mm1.35 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615915
Side View
Table 66.0%Crown 45.7°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 72.6%

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 31
Current: HK$23,812 HKD|Low: HK$2,534 HKD|High: HK$32,481 HKD|Avg: HK$10,402 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
Retailer 16
October 31, 2026
Retailer 9HK$2,534 HKD
Retailer 7HK$3,884 HKD
Retailer 11HK$4,433 HKD
Retailer 16HK$4,637 HKD
Retailer 14HK$4,840 HKD
Retailer 10HK$4,983 HKD
Retailer 2HK$5,248 HKD
Retailer 4HK$7,422 HKD
Retailer 15HK$8,654 HKD
Retailer 5HK$8,787 HKD
Retailer 3HK$9,439 HKD
Retailer 6HK$10,404 HKD
Retailer 13HK$11,349 HKD
Retailer 8HK$11,359 HKD
Retailer 12HK$20,791 HKD
Rare CaratHK$23,812 HKD

31 data points across 16 retailers

19 retailersHK$2,534 HKD to HK$20,791 HKD

A
Cheapest Retailer
-
HK$2,534 HKD
$323 USD
Final sale: no returns
Retailer 2
-
HK$3,005 HKD
$383 USD
View
Price last confirmed 29 days ago
Retailer 3
-
HK$3,507 HKD
$447 USD
View
Price last confirmed 34 days ago
Retailer 4
-
HK$3,884 HKD
$495 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
HK$4,433 HKD
$565 USD
View
A
Retailer 6
-
HK$4,637 HKD
$591 USD
View
A
Retailer 7
-
HK$4,840 HKD
ZAR 9,967 ZAR
View
A
Retailer 8
-
HK$4,983 HKD
£500 GBP
View
A
Retailer 9
-
HK$5,248 HKD
€637 EUR
View
B+
Retailer 10
-
HK$7,422 HKD
$946 USD
View
B+
Retailer 11
-
HK$8,654 HKD
$1,103 USD
View
B+
Retailer 12
-
HK$8,787 HKD
$1,120 USD
View
B+
Retailer 13
-
HK$9,439 HKD
$1,203 USD
View
B
Retailer 14
-
HK$10,404 HKD
SGD 1,792 SGD
View
B
Retailer 15
-
HK$11,349 HKD
£1,139 GBP
View
Retailer 16
-
HK$11,359 HKD
£1,140 GBP
View
Price last confirmed 26 days ago
Retailer 17
-
HK$12,490 HKD
$1,592 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
HK$20,791 HKD
$2,650 USD
View
Most Expensive
Rare Carat
PD-230705 · Oct 21
HK$23,812 HKD
$3,035 USD
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from HK$2,534 HKDSave up to HK$18,257 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
1.35ct Radiant
HK$2,534 HKD