CaratHunter
Plans
Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG783630221

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

Certificate IGI LG783630221

Diamond specifications and retailer prices

From HK$2,479 HKD
$316 USD
As of October 30, 2026
Save HK$8,621 HKD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$11,275 HKD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783630221 or 783630221. Listed at 21 retailers as of October 29, 2026, with a 348% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle28.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783630221
Dimensions8.43 × 5.43 × 3.59 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm5.43 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783630221
Side View
Table 63.0%Crown 42°Girdle: MED-STKPavilion 28.2°Culet: NoneDepth 66.1%

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$11,275 HKD|Low: HK$2,354 HKD|High: HK$11,332 HKD|Avg: HK$6,587 HKD|+1.0%
Novita Diamonds
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
October 31, 2026
Retailer 3HK$2,479 HKD
Retailer 6HK$2,605 HKD
Retailer 11HK$4,001 HKD
Retailer 4HK$4,481 HKD
Retailer 8HK$4,543 HKD
Retailer 2HK$4,862 HKD
Retailer 13HK$5,390 HKD
Retailer 5HK$6,064 HKD
Retailer 9HK$7,932 HKD
Retailer 7HK$8,466 HKD
Retailer 10HK$9,250 HKD
Retailer 14HK$10,600 HKD
Retailer 12HK$11,100 HKD
Novita DiamondsHK$11,275 HKD

41 data points across 14 retailers

21 retailersHK$2,479 HKD to HK$11,100 HKD

Retailer 1
-
HK$2,071 HKD
$264 USD
Price last confirmed 23 days ago
Retailer 2
-
HK$2,071 HKD
$264 USD
View
Price last confirmed 31 days ago
Retailer 3
-
HK$2,401 HKD
$306 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
HK$2,479 HKD
$316 USD
View
Final sale: no returns
Retailer 5
-
HK$2,534 HKD
$323 USD
View
Price last confirmed 32 days ago
Retailer 6
-
HK$2,566 HKD
$327 USD
View
Price last confirmed 23 days ago
Retailer 7
-
HK$2,566 HKD
$327 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
HK$2,605 HKD
$332 USD
View
A
Retailer 9
-
HK$4,001 HKD
$510 USD
View
A
Retailer 10
-
HK$4,481 HKD
ZAR 9,226 ZAR
View
A
Retailer 11
-
HK$4,543 HKD
$579 USD
View
A
Retailer 12
-
HK$4,862 HKD
£488 GBP
View
A
Retailer 13
-
HK$5,390 HKD
$687 USD
View
A
Retailer 14
-
HK$6,064 HKD
A$1,189 AUD
View
A
Retailer 15
-
HK$7,932 HKD
$1,011 USD
View
Retailer 16
-
HK$8,238 HKD
$1,050 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
HK$8,466 HKD
$1,079 USD
View
B+
Retailer 18
-
HK$9,250 HKD
$1,179 USD
View
B+
Retailer 19
-
HK$10,600 HKD
$1,351 USD
View
B+
Retailer 20
-
HK$11,100 HKD
£1,114 GBP
View
Most Expensive
Novita Diamonds
cert_783630221 · Oct 8
HK$11,275 HKD
A$2,211 AUD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from HK$2,479 HKDSave up to HK$8,621 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$2,479 HKD