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1.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621492010

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621492010

Diamond specifications and retailer prices

From HK$1,922 HKD
As of November 3, 2026
Save HK$6,308 HKD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$8,230 HKD at MOH London · As of November 5, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621492010 or 621492010. Listed at 11 retailers as of November 3, 2026, with prices from HK$1,922 to HK$8,230, a HK$6,308 spread on the same certified stone. MOH London lists it at HK$8,230. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621492010
Dimensions7.36 × 7.32 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.36 mm7.32 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621492010
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: HK$8,230 HKD|Low: HK$1,663 HKD|High: HK$8,399 HKD|Avg: HK$4,341 HKD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3HK$1,781 HKD
Retailer 7HK$1,922 HKD
Retailer 5HK$3,193 HKD
Retailer 9HK$3,358 HKD
Retailer 11HK$3,538 HKD
Retailer 10HK$3,562 HKD
Retailer 2HK$3,750 HKD
Retailer 12HK$4,644 HKD
Retailer 8HK$6,637 HKD
Retailer 4HK$6,825 HKD
Retailer 6HK$7,233 HKD
MOH LondonHK$8,230 HKD

37 data points across 12 retailers

11 retailersHK$1,922 HKD to HK$8,230 HKD

Retailer 1
-
HK$1,781 HKD
Price last confirmed 29 days ago
A
Retailer 2
-
HK$1,922 HKD
View
A
Retailer 3
-
HK$3,193 HKD
View
A
Retailer 4
-
HK$3,358 HKD
View
B+
Retailer 5
-
HK$3,538 HKD
View
B+
Retailer 6
-
HK$3,750 HKD
View
B+
Retailer 7
-
HK$4,644 HKD
View
B
Retailer 8
-
HK$6,637 HKD
View
B
Retailer 9
-
HK$6,825 HKD
View
B
Retailer 10
-
HK$7,233 HKD
View
Most Expensive
B
MOH London
LG621492010 · Nov 5
HK$8,230 HKD
£826 GBP
View
10 more retailers have this diamond
Prices start from HK$1,922 HKDSave up to HK$6,308 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$1,922 HKD