Round|Lab Grown|IGI

1.81ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG515227591

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515227591

Diamond specifications and retailer prices

From HK$2,629 HKD
$335 USD
As of October 29, 2026
Save HK$11,492 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$14,120 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown round diamond

This 1.81ct 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 LG515227591 or 515227591. Listed at 16 retailers as of October 29, 2026, with prices from HK$2,629 to HK$14,120, a HK$11,492 spread on the same certified stone. MOH London lists it at HK$14,120. 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

1.81
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227591
Dimensions7.80 × 7.83 × 4.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.80 mm7.83 mm1.81 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227591
Side View
Table 57.5%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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$14,120 HKD|Low: HK$2,629 HKD|High: HK$14,120 HKD|Avg: HK$7,221 HKD
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
Retailer 15
October 29, 2026
Retailer 12HK$2,629 HKD
Retailer 10HK$3,044 HKD
Retailer 9HK$3,256 HKD
Retailer 14HK$3,256 HKD
Retailer 6HK$4,221 HKD
Retailer 8HK$5,635 HKD
Retailer 11HK$5,948 HKD
Retailer 2HK$6,455 HKD
Retailer 5HK$6,749 HKD
Retailer 3HK$6,826 HKD
Retailer 7HK$7,194 HKD
Retailer 15HK$9,549 HKD
Retailer 13HK$11,558 HKD
Retailer 4HK$11,817 HKD
MOH LondonHK$14,120 HKD

13 data points across 15 retailers

16 retailersHK$2,629 HKD to HK$14,120 HKD

A
Cheapest Retailer
-
HK$2,629 HKD
$335 USD
A
Retailer 2
-
HK$3,044 HKD
$388 USD
View
A
Retailer 3
-
HK$3,256 HKD
$415 USD
View
A
Retailer 4
-
HK$3,256 HKD
$415 USD
View
B+
Retailer 5
-
HK$4,221 HKD
$538 USD
View
B+
Retailer 6
-
HK$5,635 HKD
£566 GBP
View
B+
Retailer 7
-
HK$5,948 HKD
$758 USD
View
B+
Retailer 8
-
HK$6,455 HKD
£648 GBP
View
B+
Retailer 9
-
HK$6,749 HKD
$860 USD
View
B
Retailer 10
-
HK$6,826 HKD
$870 USD
View
B+
Retailer 11
-
HK$7,194 HKD
$917 USD
View
B
Retailer 12
-
HK$9,549 HKD
$1,217 USD
View
B
Retailer 13
-
HK$11,558 HKD
$1,473 USD
View
B
Retailer 14
-
HK$11,817 HKD
$1,506 USD
View
B
Retailer 15
-
HK$12,083 HKD
$1,540 USD
View
Most Expensive
B
MOH London
LG515227591 · Oct 29
HK$14,120 HKD
£1,417 GBP
View
15 more retailers have this diamond
Prices start from HK$2,629 HKDSave up to HK$11,492 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
1.81ct Round
HK$2,629 HKD