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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG788681343

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788681343

Diamond specifications and retailer prices

From HK$2,109 HKD
As of October 30, 2026
Save HK$4,717 HKD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$8,838 HKD at MOH London · As of October 19, 2026
View at MOH London

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 LG788681343 or 788681343. Listed at 17 retailers as of October 29, 2026, with a 224% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788681343
Dimensions7.32 × 7.25 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.25 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788681343
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: Oct 30
Current: HK$8,838 HKD|Low: HK$1,695 HKD|High: HK$9,416 HKD|Avg: HK$4,449 HKD|+9.4%
MOH London
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
October 31, 2026
Retailer 3HK$1,695 HKD
Retailer 14HK$2,109 HKD
Retailer 8HK$3,056 HKD
Retailer 11HK$3,255 HKD
Retailer 4HK$3,287 HKD
Retailer 13HK$3,366 HKD
Retailer 12HK$3,400 HKD
Retailer 5HK$3,899 HKD
Retailer 2HK$4,274 HKD
Retailer 7HK$4,770 HKD
Retailer 9HK$5,727 HKD
Retailer 10HK$6,067 HKD
Retailer 6HK$6,826 HKD
MOH LondonHK$8,838 HKD

42 data points across 14 retailers

17 retailersHK$2,109 HKD to HK$6,826 HKD

Retailer 1
-
HK$1,608 HKD
$205 USD
Price last confirmed 20 days ago
Retailer 2
-
HK$1,859 HKD
$237 USD
View
Price last confirmed 17 days ago
Retailer 3
-
HK$1,993 HKD
$254 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
HK$2,109 HKD
View
A
Retailer 5
-
HK$3,056 HKD
€371 EUR
View
A
Retailer 6
-
HK$3,255 HKD
£327 GBP
View
B+
Retailer 7
-
HK$3,287 HKD
$419 USD
View
A
Retailer 8
-
HK$3,366 HKD
$429 USD
View
A
Retailer 9
-
HK$3,400 HKD
£341 GBP
View
A
Retailer 10
-
HK$3,899 HKD
$497 USD
View
B+
Retailer 11
-
HK$4,274 HKD
A$838 AUD
View
B+
Retailer 12
-
HK$4,770 HKD
$608 USD
View
B+
Retailer 13
-
HK$5,727 HKD
$730 USD
View
B+
Retailer 14
-
HK$6,067 HKD
SGD 1,045 SGD
View
Retailer 15
-
HK$6,402 HKD
$816 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
HK$6,826 HKD
$870 USD
View
Most Expensive
MOH London
LG788681343 · Oct 19
HK$8,838 HKD
£887 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from HK$2,109 HKDSave up to HK$4,717 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$2,109 HKD