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Round|Lab Grown|IGI

1.55ct F VVS2 Round Lab Grown Diamond

EX • F/VVS2 • IGI LG778657807

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657807

Diamond specifications and retailer prices

From HK$1,742 HKD
As of November 3, 2026
Save HK$7,108 HKD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$13,338 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778657807 or 778657807. Listed at 21 retailers as of November 3, 2026, with a 408% 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657807
Dimensions7.37 × 7.35 × 4.62 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
7.37 mm7.35 mm1.55 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657807
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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$13,338 HKD|Low: HK$1,742 HKD|High: HK$13,338 HKD|Avg: HK$5,312 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 5, 2026
Retailer 9HK$1,742 HKD
Retailer 5HK$1,946 HKD
Retailer 4HK$2,024 HKD
Retailer 18HK$2,165 HKD
Retailer 10HK$2,173 HKD
Retailer 14HK$3,240 HKD
Retailer 6HK$3,695 HKD
Retailer 17HK$3,727 HKD
Retailer 2HK$3,970 HKD
Retailer 20HK$4,001 HKD
Retailer 3HK$4,755 HKD
Retailer 15HK$5,053 HKD
Retailer 16HK$5,759 HKD
Retailer 7HK$6,622 HKD
Retailer 19HK$6,951 HKD
Retailer 11HK$7,022 HKD
Retailer 8HK$7,359 HKD
Retailer 13HK$8,638 HKD
Retailer 12HK$8,850 HKD
Brilliant EarthHK$13,338 HKD

25 data points across 20 retailers

21 retailersHK$1,742 HKD to HK$8,850 HKD

A
Cheapest Retailer
-
HK$1,742 HKD
A
Retailer 2
-
HK$1,946 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,024 HKD
View
A
Retailer 4
-
HK$2,165 HKD
View
Retailer 5
-
HK$2,173 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$3,240 HKD
View
A
Retailer 7
-
HK$3,695 HKD
View
A
Retailer 8
-
HK$3,727 HKD
View
A
Retailer 9
-
HK$3,970 HKD
View
A
Retailer 10
-
HK$4,001 HKD
View
B+
Retailer 11
-
HK$4,425 HKD
View
B+
Retailer 12
-
HK$4,755 HKD
View
B+
Retailer 13
-
HK$5,053 HKD
View
B+
Retailer 14
-
HK$5,759 HKD
View
B+
Retailer 15
-
HK$6,622 HKD
View
B+
Retailer 16
-
HK$6,951 HKD
View
B+
Retailer 17
-
HK$7,022 HKD
View
B+
Retailer 18
-
HK$7,359 HKD
View
B
Retailer 19
-
HK$8,638 HKD
View
B
Retailer 20
-
HK$8,850 HKD
View
Most Expensive
Brilliant Earth
21501362A · Oct 16
HK$13,338 HKD
$1,700 USD
View
Price last confirmed 19 days ago
20 more retailers have this diamond
Prices start from HK$1,742 HKDSave up to HK$7,108 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$1,742 HKD