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Radiant|Lab Grown|IGI

1.55ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG677570735

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

Certificate IGI LG677570735

Diamond specifications and retailer prices

From HK$1,546 HKD
As of October 30, 2026
Save HK$8,653 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,199 HKD at Brilliant Earth · As of November 2, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677570735 or 677570735. Listed at 17 retailers as of October 30, 2026, with prices from HK$1,546 to HK$10,199, a HK$8,653 spread on the same certified stone. Brilliant Earth lists it at HK$10,199. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677570735
Dimensions8.39 × 5.79 × 3.97 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.39 mm5.79 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677570735
Side View
Table 63.0%Crown 35.9°Girdle: MediumPavilion 36.8°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$10,199 HKD|Low: HK$1,483 HKD|High: HK$10,905 HKD|Avg: HK$4,735 HKD|-6.5%
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
November 2, 2026
Retailer 15HK$1,546 HKD
Retailer 6HK$1,789 HKD
Retailer 3HK$1,914 HKD
Retailer 13HK$1,914 HKD
Retailer 12HK$2,346 HKD
Retailer 8HK$3,279 HKD
Retailer 5HK$3,326 HKD
Retailer 9HK$3,491 HKD
Retailer 7HK$3,938 HKD
Retailer 2HK$5,186 HKD
Retailer 4HK$6,143 HKD
Retailer 11HK$7,139 HKD
Retailer 14HK$7,947 HKD
Retailer 10HK$8,936 HKD
Brilliant EarthHK$10,199 HKD

42 data points across 15 retailers

17 retailersHK$1,546 HKD to HK$10,199 HKD

A
Cheapest Retailer
-
HK$1,546 HKD
A
Retailer 2
-
HK$1,789 HKD
View
A
Retailer 3
-
HK$1,914 HKD
View
Retailer 4
-
HK$1,914 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$3,279 HKD
View
B+
Retailer 6
-
HK$3,326 HKD
View
A
Retailer 7
-
HK$3,491 HKD
View
A
Retailer 8
-
HK$3,930 HKD
View
A
Retailer 9
-
HK$3,938 HKD
View
B+
Retailer 10
-
HK$5,186 HKD
View
B+
Retailer 11
-
HK$5,923 HKD
View
B+
Retailer 12
-
HK$6,143 HKD
View
B+
Retailer 13
-
HK$6,559 HKD
View
Retailer 14
-
HK$7,139 HKD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
HK$7,947 HKD
View
B
Retailer 16
-
HK$8,936 HKD
View
Most Expensive
B
Brilliant Earth
15181609A · Nov 2
HK$10,199 HKD
$1,300 USD
View
16 more retailers have this diamond
Prices start from HK$1,546 HKDSave up to HK$8,653 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
1.55ct Radiant
HK$1,546 HKD