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1.51ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG846656607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846656607

Diamond specifications and retailer prices

From HK$2,009 HKD
As of October 28, 2026
Save HK$7,721 HKD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,730 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846656607 or 846656607. Listed at 10 retailers as of October 28, 2026, with prices from HK$2,009 to HK$9,730, a HK$7,721 spread on the same certified stone. Brilliant Earth lists it at HK$9,730. 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

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656607
Dimensions7.39 × 7.45 × 4.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.45 mm1.51 ctE / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846656607
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.4%

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: Oct 28
Current: HK$2,982 HKD|Low: HK$1,648 HKD|High: HK$8,550 HKD|Avg: HK$4,242 HKD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9HK$1,648 HKD
Retailer 3HK$2,009 HKD
Retailer 6HK$2,848 HKD
Retailer 1HK$2,982 HKD
Retailer 7HK$3,139 HKD
Retailer 8HK$3,201 HKD
Retailer 2HK$5,414 HKD
Retailer 4HK$5,882 HKD
Retailer 5HK$5,885 HKD
Retailer 10HK$8,550 HKD

4 data points across 10 retailers

10 retailersHK$2,009 HKD to HK$9,730 HKD

A
Cheapest Retailer
-
HK$2,009 HKD
A
Retailer 2
-
HK$2,848 HKD
£286 GBP
View
A
Retailer 3
-
HK$2,982 HKD
€362 EUR
View
B+
Retailer 4
-
HK$3,139 HKD
£315 GBP
View
B+
Retailer 5
-
HK$3,201 HKD
$408 USD
View
B
Retailer 6
-
HK$5,414 HKD
$690 USD
View
B
Retailer 7
-
HK$5,882 HKD
SGD 1,013 SGD
View
B
Retailer 8
-
HK$5,885 HKD
$750 USD
View
B
Retailer 9
-
HK$8,550 HKD
£858 GBP
View
Most Expensive
B
Brilliant Earth
22260958A · Oct 29
HK$9,730 HKD
$1,240 USD
View
9 more retailers have this diamond
Prices start from HK$2,009 HKDSave up to HK$7,721 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
1.51ct Round
HK$2,009 HKD