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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG845607037

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845607037

Diamond specifications and retailer prices

From $290 SGD
As of November 4, 2026
Save $2,009 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,299 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG845607037 or 845607037. Listed at 18 retailers as of November 4, 2026, with prices from $290 to $2,299, a $2,009 spread on the same certified stone. Brilliant Earth lists it at $2,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845607037
Dimensions11.30 × 5.19 × 3.22 mm
L/W Ratio2.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm5.19 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845607037
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 4
Current: $376 SGD|Low: $290 SGD|High: $1,639 SGD|Avg: $847 SGD|-5.5%
Retailer 1
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
Retailer 17
November 5, 2026
Retailer 16$290 SGD
Retailer 2$323 SGD
Retailer 6$336 SGD
Retailer 12$359 SGD
Retailer 1$376 SGD
Retailer 5$485 SGD
Retailer 8$632 SGD
Retailer 13$664 SGD
Retailer 9$763 SGD
Retailer 10$829 SGD
Retailer 7$889 SGD
Retailer 3$1,156 SGD
Retailer 4$1,161 SGD
Retailer 17$1,222 SGD
Retailer 14$1,243 SGD
Retailer 15$1,437 SGD
Retailer 11$1,584 SGD

9 data points across 17 retailers

18 retailers$290 SGD to $2,299 SGD

A+
Cheapest Retailer
-
$290 SGD
A
Retailer 2
-
$323 SGD
View
Final sale: no returns
A
Retailer 3
-
$336 SGD
View
A
Retailer 4
-
$359 SGD
View
A
Retailer 5
-
$376 SGD
View
A
Retailer 6
-
$485 SGD
View
A
Retailer 7
-
$632 SGD
View
A
Retailer 8
-
$664 SGD
View
A
Retailer 9
-
$763 SGD
View
A
Retailer 10
-
$829 SGD
View
B+
Retailer 11
-
$889 SGD
View
B+
Retailer 12
-
$1,156 SGD
View
B+
Retailer 13
-
$1,161 SGD
View
B+
Retailer 14
-
$1,222 SGD
View
B+
Retailer 15
-
$1,243 SGD
View
B+
Retailer 16
-
$1,437 SGD
View
B+
Retailer 17
-
$1,584 SGD
View
Most Expensive
B
Brilliant Earth
22400591A · Nov 4
$2,299 SGD
$1,800 USD
View
17 more retailers have this diamond
Prices start from $290 SGDSave up to $2,009 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+
1.09ct Marquise
$290 SGD