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Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG778647140

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778647140

Diamond specifications and retailer prices

From HK$1,757 HKD
As of November 3, 2026
Save HK$8,191 HKD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$10,356 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round 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 LG778647140 or 778647140. Listed at 24 retailers as of November 3, 2026, with a 466% 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

1.55
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778647140
Dimensions7.48 × 7.51 × 4.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.51 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778647140
Side View
Table 58.0%Crown 32.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: Nov 3
Current: HK$10,356 HKD|Low: HK$1,742 HKD|High: HK$10,356 HKD|Avg: HK$4,997 HKD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 4, 2026
Retailer 11HK$1,757 HKD
Retailer 15HK$1,954 HKD
Retailer 20HK$2,032 HKD
Retailer 6HK$2,173 HKD
Retailer 7HK$2,173 HKD
Retailer 2HK$3,382 HKD
Retailer 8HK$3,711 HKD
Retailer 4HK$3,727 HKD
Retailer 14HK$4,001 HKD
Retailer 16HK$4,103 HKD
Retailer 5HK$4,174 HKD
Retailer 3HK$4,527 HKD
Retailer 12HK$6,991 HKD
Retailer 13HK$7,014 HKD
Retailer 19HK$7,289 HKD
Retailer 10HK$7,399 HKD
Retailer 17HK$8,717 HKD
Retailer 18HK$8,850 HKD
Retailer 9HK$9,948 HKD
Brilliant EarthHK$10,356 HKD

31 data points across 20 retailers

24 retailersHK$1,757 HKD to HK$9,948 HKD

A
Cheapest Retailer
-
HK$1,757 HKD
A
Retailer 2
-
HK$1,954 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,032 HKD
View
A
Retailer 4
-
HK$2,173 HKD
View
Retailer 5
-
HK$2,173 HKD
View
Price last confirmed 10 days ago
A
Retailer 6
-
HK$3,382 HKD
View
A
Retailer 7
-
HK$3,711 HKD
View
A
Retailer 8
-
HK$3,727 HKD
View
A
Retailer 9
-
HK$4,001 HKD
View
A
Retailer 10
-
HK$4,103 HKD
View
A
Retailer 11
-
HK$4,174 HKD
View
B+
Retailer 12
-
HK$4,527 HKD
View
B+
Retailer 13
-
HK$6,018 HKD
View
Retailer 14
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HK$6,261 HKD
View
Price last confirmed 93 days ago
Retailer 15
-
HK$6,928 HKD
View
Price last confirmed 44 days ago
B
Retailer 16
-
HK$6,991 HKD
View
B
Retailer 17
-
HK$7,014 HKD
View
B+
Retailer 18
-
HK$7,289 HKD
View
B
Retailer 19
-
HK$7,399 HKD
View
B
Retailer 20
-
HK$8,183 HKD
View
B
Retailer 21
-
HK$8,717 HKD
View
B
Retailer 22
-
HK$8,850 HKD
View
B
Retailer 23
-
HK$9,948 HKD
View
Most Expensive
Brilliant Earth
20258678A · Oct 16
HK$10,356 HKD
$1,320 USD
View
Price last confirmed 19 days ago
23 more retailers have this diamond
Prices start from HK$1,757 HKDSave up to HK$8,191 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 Round
HK$1,757 HKD