Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG805666699

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805666699

Diamond specifications and retailer prices

From HK$4,121 HKD
A$808 AUD
As of October 31, 2026
17 retailers carry this diamond
Most expensive: HK$9,328 HKD at Reve Diamonds · As of October 21, 2026
View at Reve Diamonds

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 LG805666699 or 805666699. Listed at 17 retailers as of October 31, 2026. 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 angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805666699
Dimensions7.36 × 7.29 × 4.48 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.36 mm7.29 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805666699
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: HK$1,734 HKD|Low: HK$1,247 HKD|High: HK$9,328 HKD|Avg: HK$4,144 HKD|+39.0%
Retailer 1
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
Reve Diamonds
October 21, 2026
Retailer 5HK$1,561 HKD
Retailer 1HK$1,734 HKD
Retailer 17HK$1,805 HKD
Retailer 7HK$1,930 HKD
Retailer 18HK$1,930 HKD
Retailer 13HK$3,205 HKD
Retailer 6HK$3,280 HKD
Retailer 11HK$3,338 HKD
Retailer 3HK$3,358 HKD
Retailer 12HK$3,378 HKD
Retailer 10HK$4,121 HKD
Retailer 4HK$4,535 HKD
Retailer 16HK$5,076 HKD
Retailer 14HK$5,767 HKD
Retailer 8HK$6,206 HKD
Retailer 2HK$6,629 HKD
Retailer 9HK$6,826 HKD
Retailer 15HK$9,077 HKD
Reve DiamondsHK$9,328 HKD

35 data points across 19 retailers

17 retailers

Retailer 1
-
HK$1,561 HKD
$199 USD
Price last confirmed 10 days ago
Retailer 2
-
HK$1,805 HKD
$230 USD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$1,930 HKD
$246 USD
View
Price last confirmed 14 days ago
Retailer 4
-
HK$1,930 HKD
$246 USD
View
Price last confirmed 11 days ago
Retailer 5
-
HK$3,280 HKD
$418 USD
View
Price last confirmed 9 days ago
Retailer 6
-
HK$3,338 HKD
£335 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
HK$3,358 HKD
$428 USD
View
Price last confirmed 9 days ago
Retailer 8
-
HK$3,378 HKD
£339 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$4,121 HKD
A$808 AUD
View
Retailer 10
-
HK$4,535 HKD
$578 USD
View
Price last confirmed 9 days ago
Retailer 11
-
HK$5,076 HKD
$647 USD
View
Price last confirmed 9 days ago
Retailer 12
-
HK$5,767 HKD
$735 USD
View
Price last confirmed 9 days ago
Retailer 13
-
HK$6,206 HKD
$791 USD
View
Price last confirmed 12 days ago
Retailer 14
-
HK$6,629 HKD
$845 USD
View
Price last confirmed 9 days ago
Retailer 15
-
HK$6,826 HKD
$870 USD
View
Price last confirmed 9 days ago
Retailer 16
-
HK$9,077 HKD
£911 GBP
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
DD05CB7DE · Oct 21
HK$9,328 HKD
$1,189 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from HK$4,121 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.

B+
1.50ct Round
HK$4,121 HKD