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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619672

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619672

Diamond specifications and retailer prices

From $328 SGD
As of November 4, 2026
Save $1,552 SGD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,257 SGD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619672 or 811619672. Listed at 26 retailers as of October 30, 2026, with a 473% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619672
Dimensions10.33 × 5.38 × 3.33 mm
L/W Ratio1.92
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
10.33 mm5.38 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619672
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $3,257 SGD|Low: $315 SGD|High: $3,257 SGD|Avg: $1,035 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
Retailer 17
Retailer 18
November 5, 2026
Retailer 7$328 SGD
Retailer 4$381 SGD
Retailer 6$407 SGD
Retailer 9$407 SGD
Retailer 2$416 SGD
Retailer 10$549 SGD
Retailer 16$613 SGD
Retailer 14$703 SGD
Retailer 3$740 SGD
Retailer 11$764 SGD
Retailer 17$778 SGD
Retailer 13$999 SGD
Retailer 12$1,250 SGD
Retailer 8$1,309 SGD
Retailer 15$1,631 SGD
Retailer 5$1,635 SGD
Retailer 18$1,880 SGD
Brilliant Earth$3,257 SGD

36 data points across 18 retailers

26 retailers$328 SGD to $1,880 SGD

A
Cheapest Retailer
-
$328 SGD
A
Retailer 2
-
$367 SGD
View
Final sale: no returns
A
Retailer 3
-
$381 SGD
View
Retailer 4
-
$407 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$407 SGD
View
A
Retailer 6
-
$416 SGD
View
A
Retailer 7
-
$549 SGD
View
A
Retailer 8
-
$613 SGD
View
A
Retailer 9
-
$703 SGD
View
A
Retailer 10
-
$719 SGD
View
Retailer 11
-
$740 SGD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$764 SGD
View
A
Retailer 13
-
$774 SGD
View
A
Retailer 14
-
$778 SGD
View
B+
Retailer 15
-
$999 SGD
View
B+
Retailer 16
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$1,040 SGD
View
B+
Retailer 17
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$1,095 SGD
View
B+
Retailer 18
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$1,250 SGD
View
B+
Retailer 19
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$1,309 SGD
View
B+
Retailer 20
-
$1,374 SGD
View
B
Retailer 21
-
$1,595 SGD
View
B+
Retailer 22
-
$1,631 SGD
View
Retailer 23
-
$1,635 SGD
View
Price last confirmed 8 days ago
B
Retailer 24
-
$1,756 SGD
View
B
Retailer 25
-
$1,880 SGD
View
Most Expensive
Brilliant Earth
20879627A · Oct 16
$3,257 SGD
$2,550 USD
View
Price last confirmed 20 days ago
25 more retailers have this diamond
Prices start from $328 SGDSave up to $1,552 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
1.05ct Marquise
$328 SGD