CaratHunter
Plans
Round|Lab Grown|IGI

1.55ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG801637658

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801637658

Diamond specifications and retailer prices

From HK$4,448 HKD
As of November 2, 2026
Save HK$11,791 HKD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$16,240 HKD at Brilliant Earth · As of November 5, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801637658 or 801637658. Listed at 15 retailers as of November 2, 2026, with prices from HK$4,448 to HK$16,240, a HK$11,791 spread on the same certified stone. Brilliant Earth lists it at HK$16,240. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801637658
Dimensions7.42 × 7.38 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.42 mm7.38 mm1.55 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801637658
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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 2
Current: HK$16,240 HKD|Low: HK$2,667 HKD|High: HK$18,515 HKD|Avg: HK$7,687 HKD|-12.3%
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
November 5, 2026
Retailer 5HK$2,667 HKD
Retailer 13HK$4,448 HKD
Retailer 8HK$4,495 HKD
Retailer 12HK$4,676 HKD
Retailer 2HK$4,746 HKD
Retailer 3HK$4,778 HKD
Retailer 9HK$6,668 HKD
Retailer 10HK$6,990 HKD
Retailer 11HK$9,155 HKD
Retailer 4HK$10,434 HKD
Retailer 6HK$10,897 HKD
Retailer 7HK$13,298 HKD
Brilliant EarthHK$16,240 HKD

41 data points across 13 retailers

15 retailersHK$4,448 HKD to HK$16,240 HKD

Retailer 1
-
HK$2,667 HKD
Price last confirmed 24 days ago
A
Retailer 2
-
HK$4,448 HKD
View
A
Retailer 3
-
HK$4,495 HKD
View
A
Retailer 4
-
HK$4,676 HKD
View
A
Retailer 5
-
HK$4,746 HKD
View
A
Retailer 6
-
HK$4,778 HKD
View
B+
Retailer 7
-
HK$6,668 HKD
View
B+
Retailer 8
-
HK$6,990 HKD
View
B+
Retailer 9
-
HK$9,155 HKD
View
B+
Retailer 10
-
HK$9,830 HKD
View
B
Retailer 11
-
HK$10,434 HKD
View
B+
Retailer 12
-
HK$10,897 HKD
View
B
Retailer 13
-
HK$13,298 HKD
View
Retailer 14
-
HK$14,749 HKD
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
19934393A · Nov 5
HK$16,240 HKD
$2,070 USD
View
14 more retailers have this diamond
Prices start from HK$4,448 HKDSave up to HK$11,791 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$4,448 HKD