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Marquise|Lab Grown|IGI

1.15ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG830624117

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830624117

Diamond specifications and retailer prices

From $290 SGD
$226 USD
As of October 30, 2026
Save $2,812 SGD (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,102 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.15ct lab-grown marquise diamond

This 1.15ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624117 or 830624117. Listed at 18 retailers as of October 28, 2026, with prices from $290 to $3,102, a $2,812 spread on the same certified stone. Brilliant Earth lists it at $3,102. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624117
Dimensions10.89 × 5.46 × 3.43 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.89 mm5.46 mm1.15 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624117
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.8%

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: $3,102 SGD|Low: $338 SGD|High: $3,102 SGD|Avg: $1,159 SGD
Brilliant Earth
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 14$338 SGD
Retailer 16$359 SGD
Retailer 6$611 SGD
Retailer 10$617 SGD
Retailer 2$670 SGD
Retailer 11$688 SGD
Retailer 8$775 SGD
Retailer 5$913 SGD
Retailer 4$1,155 SGD
Retailer 13$1,159 SGD
Retailer 3$1,222 SGD
Retailer 7$1,341 SGD
Retailer 9$1,447 SGD
Retailer 15$1,469 SGD
Retailer 12$2,801 SGD
Brilliant Earth$3,102 SGD

40 data points across 16 retailers

18 retailers$290 SGD to $3,102 SGD

A
Cheapest Retailer
-
$290 SGD
$226 USD
A
Retailer 2
-
$336 SGD
$262 USD
View
A
Retailer 3
-
$338 SGD
$264 USD
View
Final sale: no returns
A
Retailer 4
-
$359 SGD
$280 USD
View
A
Retailer 5
-
$359 SGD
$280 USD
View
A
Retailer 6
-
$611 SGD
$477 USD
View
A
Retailer 7
-
$617 SGD
ZAR 7,776 ZAR
View
A
Retailer 8
-
$670 SGD
£412 GBP
View
A
Retailer 9
-
$688 SGD
€511 EUR
View
A
Retailer 10
-
$913 SGD
$712 USD
View
B+
Retailer 11
-
$1,155 SGD
$901 USD
View
B+
Retailer 12
-
$1,159 SGD
$904 USD
View
B+
Retailer 13
-
$1,222 SGD
$953 USD
View
B+
Retailer 14
-
$1,341 SGD
View
B+
Retailer 15
-
$1,447 SGD
£889 GBP
View
B+
Retailer 16
-
$1,469 SGD
$1,146 USD
View
B
Retailer 17
-
$2,801 SGD
$2,185 USD
View
Most Expensive
B
Brilliant Earth
21434078A · Oct 28
$3,102 SGD
$2,420 USD
View
17 more retailers have this diamond
Prices start from $290 SGDSave up to $2,812 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
1.15ct Marquise
$290 SGD