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Oval|Lab Grown|IGI

1.55ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG818635537

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818635537

Diamond specifications and retailer prices

From HK$1,546 HKD
$197 USD
As of October 29, 2026
Save HK$7,462 HKD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$9,007 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval 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 LG818635537 or 818635537. Listed at 8 retailers as of October 29, 2026, with prices from HK$1,546 to HK$9,007, a HK$7,462 spread on the same certified stone. MOH London lists it at HK$9,007. 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

1.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818635537
Dimensions9.15 × 6.64 × 4.10 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm6.64 mm1.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818635537
Side View
Table 58.0%Crown 35.2°Girdle: THN-MEDPavilion 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: Oct 29
Current: HK$9,007 HKD|Low: HK$1,483 HKD|High: HK$9,147 HKD|Avg: HK$4,775 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5HK$1,546 HKD
Retailer 3HK$1,789 HKD
Retailer 2HK$2,460 HKD
Retailer 6HK$3,238 HKD
Retailer 8HK$4,535 HKD
Retailer 7HK$6,159 HKD
Retailer 4HK$6,182 HKD
Retailer 9HK$7,844 HKD
MOH LondonHK$9,007 HKD

27 data points across 9 retailers

8 retailersHK$1,546 HKD to HK$9,007 HKD

A
Cheapest Retailer
-
HK$1,546 HKD
$197 USD
A
Retailer 2
-
HK$1,789 HKD
$228 USD
View
A
Retailer 3
-
HK$2,460 HKD
£247 GBP
View
B+
Retailer 4
-
HK$4,535 HKD
$578 USD
View
B
Retailer 5
-
HK$6,159 HKD
$785 USD
View
B+
Retailer 6
-
HK$6,182 HKD
$788 USD
View
Retailer 7
-
HK$7,844 HKD
SGD 1,351 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG818635537 · Oct 29
HK$9,007 HKD
£904 GBP
View
7 more retailers have this diamond
Prices start from HK$1,546 HKDSave up to HK$7,462 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
1.55ct Oval
HK$1,546 HKD