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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790671715

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790671715

Diamond specifications and retailer prices

From $309 SGD
As of November 4, 2026
Save $2,054 SGD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,363 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 LG790671715 or 790671715. Listed at 20 retailers as of November 4, 2026, with prices from $309 to $2,363, a $2,054 spread on the same certified stone. Brilliant Earth lists it at $2,363. 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
SymmetryVery Good
FluorescenceNone
Crown angle31.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790671715
Dimensions11.36 × 5.32 × 3.23 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm5.32 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG790671715
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
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: Nov 4
Current: $2,363 SGD|Low: $296 SGD|High: $2,529 SGD|Avg: $951 SGD|-6.6%
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
November 5, 2026
Retailer 4$309 SGD
Retailer 16$345 SGD
Retailer 5$383 SGD
Retailer 2$402 SGD
Retailer 15$517 SGD
Retailer 10$660 SGD
Retailer 12$688 SGD
Retailer 9$719 SGD
Retailer 8$778 SGD
Retailer 7$835 SGD
Retailer 6$1,231 SGD
Retailer 14$1,236 SGD
Retailer 13$1,514 SGD
Retailer 11$1,544 SGD
Retailer 3$1,695 SGD
Brilliant Earth$2,363 SGD

39 data points across 16 retailers

20 retailers$309 SGD to $2,363 SGD

A
Cheapest Retailer
-
$309 SGD
A
Retailer 2
-
$345 SGD
View
Final sale: no returns
A
Retailer 3
-
$359 SGD
View
Retailer 4
-
$383 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$383 SGD
View
A
Retailer 6
-
$402 SGD
View
A
Retailer 7
-
$517 SGD
View
A
Retailer 8
-
$660 SGD
View
Retailer 9
-
$688 SGD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$719 SGD
View
A
Retailer 11
-
$778 SGD
View
B+
Retailer 12
-
$835 SGD
View
B+
Retailer 13
-
$1,032 SGD
View
B+
Retailer 14
-
$1,231 SGD
View
B+
Retailer 15
-
$1,236 SGD
View
B+
Retailer 16
-
$1,298 SGD
View
B
Retailer 17
-
$1,514 SGD
View
Retailer 18
-
$1,544 SGD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$1,695 SGD
View
Most Expensive
B
Brilliant Earth
20608667A · Nov 4
$2,363 SGD
$1,850 USD
View
19 more retailers have this diamond
Prices start from $309 SGDSave up to $2,054 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
$309 SGD