Radiant|Lab Grown|IGI

1.51ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG836619932

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

Certificate IGI LG836619932

Diamond specifications and retailer prices

From HK$3,436 HKD
$438 USD
As of October 30, 2026
Save HK$19,551 HKD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$26,832 HKD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.51ct lab-grown radiant diamond

This 1.51ct 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 LG836619932 or 836619932. Listed at 21 retailers as of October 30, 2026, with a 569% 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

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619932
Dimensions8.09 × 5.55 × 3.86 mm
L/W Ratio1.46
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
8.09 mm5.55 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619932
Side View
Table 65.0%Crown 44.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 69.5%

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$26,832 HKD|Low: HK$3,436 HKD|High: HK$30,049 HKD|Avg: HK$11,912 HKD|-0.4%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 8HK$3,436 HKD
Retailer 19HK$3,852 HKD
Retailer 5HK$4,025 HKD
Retailer 7HK$4,260 HKD
Retailer 18HK$4,260 HKD
Retailer 17HK$5,374 HKD
Retailer 21HK$6,708 HKD
Retailer 20HK$6,796 HKD
Retailer 2HK$7,043 HKD
Retailer 16HK$7,327 HKD
Retailer 4HK$8,348 HKD
Retailer 3HK$10,286 HKD
Retailer 6HK$13,706 HKD
Retailer 9HK$13,969 HKD
Retailer 12HK$14,921 HKD
Retailer 11HK$15,401 HKD
Retailer 14HK$15,544 HKD
Retailer 15HK$16,398 HKD
Retailer 10HK$19,818 HKD
Retailer 13HK$22,988 HKD
Rare CaratHK$26,832 HKD

28 data points across 21 retailers

21 retailersHK$3,436 HKD to HK$22,988 HKD

A
Cheapest Retailer
-
HK$3,436 HKD
$438 USD
A
Retailer 2
-
HK$3,852 HKD
$491 USD
View
A
Retailer 3
-
HK$4,025 HKD
$513 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,260 HKD
$543 USD
View
A
Retailer 5
-
HK$4,260 HKD
$543 USD
View
A
Retailer 6
-
HK$5,374 HKD
$685 USD
View
A
Retailer 7
-
HK$6,708 HKD
$855 USD
View
Retailer 8
-
HK$6,796 HKD
€825 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
HK$7,043 HKD
£707 GBP
View
A
Retailer 10
-
HK$7,327 HKD
ZAR 15,088 ZAR
View
A
Retailer 11
-
HK$8,348 HKD
$1,064 USD
View
B+
Retailer 12
-
HK$10,286 HKD
$1,311 USD
View
B+
Retailer 13
-
HK$13,706 HKD
$1,747 USD
View
B+
Retailer 14
-
HK$13,969 HKD
$1,781 USD
View
B+
Retailer 15
-
HK$14,921 HKD
SGD 2,570 SGD
View
B
Retailer 16
-
HK$15,401 HKD
$1,963 USD
View
Retailer 17
-
HK$15,544 HKD
£1,560 GBP
View
Price last confirmed 22 days ago
B+
Retailer 18
-
HK$16,398 HKD
$2,090 USD
View
Retailer 19
-
HK$19,818 HKD
£1,989 GBP
View
Price last confirmed 13 days ago
B
Retailer 20
-
HK$22,988 HKD
$2,930 USD
View
Most Expensive
Rare Carat
JH-242814 · Oct 18
HK$26,832 HKD
$3,420 USD
View
Price last confirmed 13 days ago
20 more retailers have this diamond
Prices start from HK$3,436 HKDSave up to HK$19,551 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
1.51ct Radiant
HK$3,436 HKD