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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG776623440

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776623440

Diamond specifications and retailer prices

From HK$1,608 HKD
As of November 1, 2026
Save HK$9,532 HKD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$11,140 HKD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG776623440 or 776623440. Listed at 17 retailers as of November 1, 2026, with prices from HK$1,608 to HK$11,140, a HK$9,532 spread on the same certified stone. Brilliant Earth lists it at HK$11,140. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776623440
Dimensions7.28 × 7.24 × 4.53 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
Top View
7.28 mm7.24 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776623440
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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 1
Current: HK$11,140 HKD|Low: HK$1,538 HKD|High: HK$11,140 HKD|Avg: HK$4,582 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
November 6, 2026
Retailer 13HK$1,608 HKD
Retailer 3HK$1,993 HKD
Retailer 14HK$1,993 HKD
Retailer 2HK$2,432 HKD
Retailer 8HK$3,217 HKD
Retailer 6HK$3,295 HKD
Retailer 11HK$3,656 HKD
Retailer 5HK$3,993 HKD
Retailer 12HK$4,064 HKD
Retailer 10HK$5,766 HKD
Retailer 7HK$6,111 HKD
Retailer 4HK$6,402 HKD
Retailer 9HK$8,394 HKD
Brilliant EarthHK$11,140 HKD

45 data points across 14 retailers

17 retailersHK$1,608 HKD to HK$11,140 HKD

Retailer 1
-
HK$1,608 HKD
Price last confirmed 44 days ago
A
Retailer 2
-
HK$1,608 HKD
View
Retailer 3
-
HK$1,859 HKD
View
Price last confirmed 45 days ago
Retailer 4
-
HK$1,969 HKD
View
Price last confirmed 42 days ago
A
Retailer 5
-
HK$1,993 HKD
View
Retailer 6
-
HK$1,993 HKD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
HK$2,432 HKD
View
A
Retailer 8
-
HK$3,217 HKD
View
A
Retailer 9
-
HK$3,295 HKD
View
B+
Retailer 10
-
HK$3,656 HKD
View
B+
Retailer 11
-
HK$3,993 HKD
View
B+
Retailer 12
-
HK$4,064 HKD
View
B+
Retailer 13
-
HK$5,766 HKD
View
B+
Retailer 14
-
HK$6,111 HKD
View
B
Retailer 15
-
HK$6,402 HKD
View
B
Retailer 16
-
HK$8,394 HKD
View
Most Expensive
B
Brilliant Earth
21117473A · Nov 5
HK$11,140 HKD
$1,420 USD
View
16 more retailers have this diamond
Prices start from HK$1,608 HKDSave up to HK$9,532 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
1.50ct Round
HK$1,608 HKD