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Radiant|Lab Grown|IGI

1.78ct H VS2 Radiant Lab Grown Diamond

VG • H/VS2 • IGI LG733563519

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

Certificate IGI LG733563519

Diamond specifications and retailer prices

From HK$1,907 HKD
$243 USD
As of October 30, 2026
Save HK$7,901 HKD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$9,807 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.78ct lab-grown radiant diamond

This 1.78ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG733563519 or 733563519. Listed at 14 retailers as of October 28, 2026, with prices from HK$1,907 to HK$9,807, a HK$7,901 spread on the same certified stone. Brilliant Earth lists it at HK$9,807. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.78
Carat
H
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733563519
Dimensions8.06 × 5.90 × 4.04 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.90 mm1.78 ctH / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733563519
Side View
Table 70.0%Crown 40.2°Girdle: STK-THKPavilion 33°Culet: NoneDepth 68.5%

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$9,807 HKD|Low: HK$1,828 HKD|High: HK$10,121 HKD|Avg: HK$5,712 HKD|-3.1%
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
October 29, 2026
Retailer 10HK$1,907 HKD
Retailer 15HK$2,134 HKD
Retailer 11HK$2,362 HKD
Retailer 13HK$2,362 HKD
Retailer 7HK$3,962 HKD
Retailer 12HK$3,970 HKD
Retailer 3HK$4,637 HKD
Retailer 14HK$4,998 HKD
Retailer 9HK$5,939 HKD
Retailer 6HK$6,546 HKD
Retailer 8HK$7,806 HKD
Retailer 4HK$8,007 HKD
Retailer 5HK$9,207 HKD
Retailer 2HK$9,526 HKD
Brilliant EarthHK$9,807 HKD

19 data points across 15 retailers

14 retailersHK$1,907 HKD to HK$9,807 HKD

A
Cheapest Retailer
-
HK$1,907 HKD
$243 USD
B+
Retailer 2
-
HK$2,134 HKD
$272 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,212 HKD
$282 USD
View
A
Retailer 4
-
HK$2,362 HKD
$301 USD
View
A
Retailer 5
-
HK$2,362 HKD
$301 USD
View
B+
Retailer 6
-
HK$3,970 HKD
$506 USD
View
B+
Retailer 7
-
HK$4,637 HKD
$591 USD
View
B+
Retailer 8
-
HK$4,998 HKD
$637 USD
View
B+
Retailer 9
-
HK$5,939 HKD
$757 USD
View
B
Retailer 10
-
HK$7,602 HKD
$969 USD
View
Retailer 11
-
HK$7,806 HKD
$995 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
HK$8,007 HKD
$1,021 USD
View
B
Retailer 13
-
HK$9,526 HKD
£956 GBP
View
Most Expensive
B
Brilliant Earth
15784170A · Oct 28
HK$9,807 HKD
$1,250 USD
View
13 more retailers have this diamond
Prices start from HK$1,907 HKDSave up to HK$7,901 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
1.78ct Radiant
HK$1,907 HKD