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Radiant|Lab Grown|IGI

1.50ct H VS1 Radiant Lab Grown Diamond

VG • H/VS1 • IGI LG570375731

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

Certificate IGI LG570375731

Diamond specifications and retailer prices

From HK$1,428 HKD
As of November 4, 2026
Save HK$7,778 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,206 HKD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG570375731 or 570375731. Listed at 17 retailers as of November 4, 2026, with prices from HK$1,428 to HK$9,206, a HK$7,778 spread on the same certified stone. Flawless Fine Jewelry lists it at HK$9,206. 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

1.50
Carat
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570375731
Dimensions7.73 × 5.77 × 4.00 mm
L/W Ratio1.34
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.73 mm5.77 mm1.50 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570375731
Side View
Table 67.5%Crown 37.7°Girdle: THN-STKPavilion 34.9°Culet: NoneDepth 69.3%

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: Nov 4
Current: HK$9,206 HKD|Low: HK$1,098 HKD|High: HK$9,206 HKD|Avg: HK$3,497 HKD
Flawless Fine Jewelry
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
November 5, 2026
Retailer 13HK$1,428 HKD
Retailer 7HK$1,647 HKD
Retailer 4HK$1,655 HKD
Retailer 5HK$1,773 HKD
Retailer 14HK$1,773 HKD
Retailer 8HK$2,008 HKD
Retailer 11HK$2,926 HKD
Retailer 10HK$3,052 HKD
Retailer 16HK$3,130 HKD
Retailer 3HK$3,750 HKD
Retailer 6HK$3,797 HKD
Retailer 9HK$4,119 HKD
Retailer 15HK$5,688 HKD
Retailer 12HK$6,009 HKD
Retailer 2HK$8,245 HKD
Flawless Fine JewelryHK$9,206 HKD

31 data points across 16 retailers

17 retailersHK$1,428 HKD to HK$9,206 HKD

A
Cheapest Retailer
-
HK$1,428 HKD
A
Retailer 2
-
HK$1,647 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,655 HKD
View
Retailer 4
-
HK$1,773 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$1,773 HKD
View
A
Retailer 6
-
HK$2,008 HKD
View
A
Retailer 7
-
HK$2,926 HKD
View
A
Retailer 8
-
HK$3,052 HKD
View
B+
Retailer 9
-
HK$3,130 HKD
View
B+
Retailer 10
-
HK$3,750 HKD
View
B+
Retailer 11
-
HK$3,797 HKD
View
A
Retailer 12
-
HK$4,119 HKD
View
B+
Retailer 13
-
HK$4,958 HKD
View
B+
Retailer 14
-
HK$5,688 HKD
View
B+
Retailer 15
-
HK$6,009 HKD
View
B
Retailer 16
-
HK$8,245 HKD
View
Most Expensive
B
Flawless Fine Jewelry
1FB61E525 · Nov 4
HK$9,206 HKD
£924 GBP
View
16 more retailers have this diamond
Prices start from HK$1,428 HKDSave up to HK$7,778 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
1.50ct Radiant
HK$1,428 HKD