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Radiant|Lab Grown|IGI

1.55ct F VVS1 Radiant Lab Grown Diamond

F/VVS1 • IGI LG756574991

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

Certificate IGI LG756574991

Diamond specifications and retailer prices

From HK$3,488 HKD
As of November 6, 2026
Save HK$14,773 HKD (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$18,261 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included) and certified by IGI LG756574991 or 756574991. Listed at 6 retailers as of November 6, 2026, with prices from HK$3,488 to HK$18,261, a HK$14,773 spread on the same certified stone. Brilliant Earth lists it at HK$18,261. 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

1.55
Carat
F
Colour
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756574991
Dimensions8.21 × 5.84 × 3.76 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm5.84 mm1.55 ctF / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756574991
Side View
Table 65.0%Crown 35.1°Girdle: STK-THKPavilion 34.5°Culet: NoneDepth 64.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$18,261 HKD|Low: HK$2,978 HKD|High: HK$18,810 HKD|Avg: HK$7,161 HKD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4HK$3,488 HKD
Retailer 3HK$4,075 HKD
Retailer 7HK$5,000 HKD
Retailer 2HK$5,259 HKD
Retailer 5HK$8,057 HKD
Retailer 6HK$8,457 HKD
Brilliant EarthHK$18,261 HKD

14 data points across 7 retailers

6 retailersHK$3,488 HKD to HK$18,261 HKD

B+
Cheapest Retailer
-
HK$3,488 HKD
B+
Retailer 2
-
HK$4,075 HKD
View
B+
Retailer 3
-
HK$5,259 HKD
View
B
Retailer 4
-
HK$8,057 HKD
View
Retailer 5
-
HK$8,457 HKD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
17826438A · Nov 6
HK$18,261 HKD
$2,330 USD
View
5 more retailers have this diamond
Prices start from HK$3,488 HKDSave up to HK$14,773 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.

B+
1.55ct Radiant
HK$3,488 HKD