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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG838645049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838645049

Diamond specifications and retailer prices

From $418 SGD
As of November 4, 2026
Save $2,700 SGD (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,118 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct 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 LG838645049 or 838645049. Listed at 27 retailers as of November 4, 2026, with prices from $418 to $3,118, a $2,700 spread on the same certified stone. Do Amore Diamonds lists it at $3,118. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838645049
Dimensions10.48 × 5.58 × 3.49 mm
L/W Ratio1.88
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
10.48 mm5.58 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838645049
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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: $3,118 SGD|Low: $391 SGD|High: $3,118 SGD|Avg: $1,271 SGD
Do Amore Diamonds
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November 5, 2026
Retailer 3$418 SGD
Retailer 14$468 SGD
Retailer 15$484 SGD
Retailer 20$484 SGD
Retailer 5$518 SGD
Retailer 23$587 SGD
Retailer 9$640 SGD
Retailer 6$716 SGD
Retailer 19$757 SGD
Retailer 18$767 SGD
Retailer 11$788 SGD
Retailer 8$855 SGD
Retailer 29$938 SGD
Retailer 28$985 SGD
Retailer 2$1,020 SGD
Retailer 26$1,237 SGD
Retailer 13$1,395 SGD
Retailer 25$1,452 SGD
Retailer 17$1,583 SGD
Retailer 4$1,701 SGD
Retailer 22$1,734 SGD
Retailer 10$1,839 SGD
Retailer 12$2,009 SGD
Retailer 16$2,036 SGD
Retailer 24$2,037 SGD
Retailer 21$2,174 SGD
Retailer 27$2,234 SGD
Retailer 7$2,993 SGD
Do Amore Diamonds$3,118 SGD

21 data points across 29 retailers

27 retailers$418 SGD to $3,118 SGD

A
Cheapest Retailer
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$418 SGD
A
Retailer 2
-
$468 SGD
View
Final sale: no returns
Retailer 3
-
$484 SGD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$484 SGD
View
A
Retailer 5
-
$518 SGD
View
A
Retailer 6
-
$587 SGD
View
A
Retailer 7
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$640 SGD
View
A
Retailer 8
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$716 SGD
View
A
Retailer 9
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$767 SGD
View
A
Retailer 10
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$769 SGD
View
A
Retailer 11
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$788 SGD
View
B+
Retailer 12
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$938 SGD
View
B+
Retailer 13
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$985 SGD
View
B+
Retailer 14
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$1,020 SGD
View
B+
Retailer 15
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$1,237 SGD
View
B+
Retailer 16
-
$1,395 SGD
View
B+
Retailer 17
-
$1,452 SGD
View
B+
Retailer 18
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$1,583 SGD
View
B+
Retailer 19
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$1,701 SGD
View
B
Retailer 20
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$1,839 SGD
View
B
Retailer 21
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$2,009 SGD
View
B
Retailer 22
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$2,036 SGD
View
B
Retailer 23
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$2,037 SGD
View
Retailer 24
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$2,174 SGD
View
Price last confirmed 28 days ago
B
Retailer 25
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$2,234 SGD
View
B
Retailer 26
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$2,993 SGD
View
Most Expensive
B
Do Amore Diamonds
20-E101725 · Nov 4
$3,118 SGD
$2,440 USD
View
26 more retailers have this diamond
Prices start from $418 SGDSave up to $2,700 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
1.21ct Marquise
$418 SGD