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Marquise|Lab Grown|IGI

0.51ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG542212263

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG542212263

Diamond specifications and retailer prices

From $159 SGD
$124 USD
As of October 30, 2026
Save $1,059 SGD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,654 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct 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 LG542212263 or 542212263. Listed at 16 retailers as of October 30, 2026, with a 668% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542212263
Dimensions8.94 × 4.17 × 2.47 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
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
8.94 mm4.17 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542212263
Side View
Table 64.0%Crown 30.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.2%

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: $1,654 SGD|Low: $94 SGD|High: $1,664 SGD|Avg: $494 SGD|+0.4%
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
Retailer 16
October 30, 2026
Retailer 8$94 SGD
Retailer 11$159 SGD
Retailer 7$178 SGD
Retailer 16$184 SGD
Retailer 3$210 SGD
Retailer 13$210 SGD
Retailer 12$371 SGD
Retailer 14$377 SGD
Retailer 2$410 SGD
Retailer 9$476 SGD
Retailer 4$488 SGD
Retailer 15$633 SGD
Retailer 10$669 SGD
Retailer 5$706 SGD
Retailer 6$1,217 SGD
MOH London$1,654 SGD

43 data points across 16 retailers

16 retailers$159 SGD to $1,217 SGD

A
Cheapest Retailer
-
$159 SGD
$124 USD
A
Retailer 2
-
$178 SGD
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$184 SGD
$144 USD
View
A
Retailer 4
-
$210 SGD
$164 USD
View
A
Retailer 5
-
$210 SGD
$164 USD
View
B+
Retailer 6
-
$371 SGD
$290 USD
View
B+
Retailer 7
-
$377 SGD
$295 USD
View
B
Retailer 8
-
$410 SGD
£252 GBP
View
B+
Retailer 9
-
$425 SGD
HK$2,600 HKD
View
B+
Retailer 10
-
$476 SGD
£293 GBP
View
B
Retailer 11
-
$488 SGD
$382 USD
View
B
Retailer 12
-
$633 SGD
$495 USD
View
B
Retailer 13
-
$669 SGD
$523 USD
View
B
Retailer 14
-
$706 SGD
$552 USD
View
B
Retailer 15
-
$1,217 SGD
$952 USD
View
Most Expensive
MOH London
LG542212263 · Oct 29
$1,654 SGD
£1,019 GBP
View
Price under review
15 more retailers have this diamond
Prices start from $159 SGDSave up to $1,059 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
0.51ct Marquise
$159 SGD