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Marquise|Lab Grown|IGI

0.55ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG826605597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826605597

Diamond specifications and retailer prices

From $115 SGD
$90 USD
As of October 30, 2026
Save $940 SGD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,055 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.55ct lab-grown marquise diamond

This 0.55ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826605597 or 826605597. Listed at 14 retailers as of October 29, 2026, with prices from $115 to $1,055, a $940 spread on the same certified stone. MOH London lists it at $1,055. 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

0.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826605597
Dimensions9.60 × 3.87 × 2.60 mm
L/W Ratio2.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm3.87 mm0.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826605597
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 67.2%

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 30
Current: $1,055 SGD|Low: $91 SGD|High: $1,062 SGD|Avg: $319 SGD|+0.5%
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 11$115 SGD
Retailer 6$129 SGD
Retailer 14$134 SGD
Retailer 3$152 SGD
Retailer 12$152 SGD
Retailer 5$194 SGD
Retailer 9$211 SGD
Retailer 2$263 SGD
Retailer 8$268 SGD
Retailer 7$345 SGD
Retailer 4$442 SGD
Retailer 13$459 SGD
Retailer 10$511 SGD
MOH London$1,055 SGD

46 data points across 14 retailers

14 retailers$115 SGD to $1,055 SGD

A
Cheapest Retailer
-
$115 SGD
$90 USD
A
Retailer 2
-
$129 SGD
$101 USD
View
Final sale: no returns
A
Retailer 3
-
$134 SGD
$105 USD
View
A
Retailer 4
-
$152 SGD
$119 USD
View
A
Retailer 5
-
$152 SGD
$119 USD
View
B+
Retailer 6
-
$194 SGD
$152 USD
View
A
Retailer 7
-
$211 SGD
$165 USD
View
A
Retailer 8
-
$263 SGD
£162 GBP
View
A
Retailer 9
-
$268 SGD
€200 EUR
View
B+
Retailer 10
-
$345 SGD
£212 GBP
View
B
Retailer 11
-
$442 SGD
$346 USD
View
B+
Retailer 12
-
$459 SGD
$359 USD
View
B
Retailer 13
-
$511 SGD
$400 USD
View
Most Expensive
B
MOH London
LG826605597 · Oct 29
$1,055 SGD
£650 GBP
View
13 more retailers have this diamond
Prices start from $115 SGDSave up to $940 SGD

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
0.55ct Marquise
$115 SGD