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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG778632689

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778632689

Diamond specifications and retailer prices

From $333 SGD
As of November 4, 2026
Save $1,798 SGD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,132 SGD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 LG778632689 or 778632689. Listed at 23 retailers as of November 4, 2026, with prices from $333 to $2,132, a $1,798 spread on the same certified stone. Helzberg Diamonds lists it at $2,132. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778632689
Dimensions11.33 × 5.31 × 3.20 mm
L/W Ratio2.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.33 mm5.31 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778632689
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 60.3%

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: Nov 4
Current: $433 SGD|Low: $333 SGD|High: $1,772 SGD|Avg: $829 SGD|-0.9%
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
Retailer 18
Retailer 19
November 5, 2026
Retailer 5$333 SGD
Retailer 3$386 SGD
Retailer 8$386 SGD
Retailer 2$413 SGD
Retailer 19$413 SGD
Retailer 1$433 SGD
Retailer 14$619 SGD
Retailer 9$688 SGD
Retailer 17$711 SGD
Retailer 7$727 SGD
Retailer 18$733 SGD
Retailer 13$780 SGD
Retailer 6$844 SGD
Retailer 15$1,013 SGD
Retailer 16$1,114 SGD
Retailer 4$1,327 SGD
Retailer 11$1,392 SGD
Retailer 12$1,649 SGD
Retailer 10$1,772 SGD

28 data points across 19 retailers

23 retailers$333 SGD to $2,132 SGD

A
Cheapest Retailer
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$333 SGD
A
Retailer 2
-
$386 SGD
View
Final sale: no returns
A
Retailer 3
-
$386 SGD
View
Retailer 4
-
$413 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
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$413 SGD
View
A
Retailer 6
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$433 SGD
View
A
Retailer 7
-
$619 SGD
View
A
Retailer 8
-
$688 SGD
View
A
Retailer 9
-
$711 SGD
View
A
Retailer 10
-
$727 SGD
View
Retailer 11
-
$733 SGD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$780 SGD
View
B+
Retailer 13
-
$844 SGD
View
B+
Retailer 14
-
$1,013 SGD
View
B+
Retailer 15
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$1,114 SGD
View
B+
Retailer 16
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$1,327 SGD
View
B
Retailer 17
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$1,392 SGD
View
Retailer 18
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$1,461 SGD
View
Price last confirmed 28 days ago
B
Retailer 19
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$1,525 SGD
View
Retailer 20
-
$1,539 SGD
View
Price last confirmed 22 days ago
B+
Retailer 21
-
$1,649 SGD
View
B
Retailer 22
-
$1,772 SGD
View
Most Expensive
B
Helzberg Diamonds
ZXZNNOMJIMOP · Nov 4
$2,132 SGD
$1,669 USD
View
22 more retailers have this diamond
Prices start from $333 SGDSave up to $1,798 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
$333 SGD