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Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG843667698

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843667698

Diamond specifications and retailer prices

From $311 SGD
As of November 4, 2026
Save $2,667 SGD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,978 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843667698 or 843667698. Listed at 17 retailers as of November 4, 2026, with prices from $311 to $2,978, a $2,667 spread on the same certified stone. Do Amore Diamonds lists it at $2,978. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843667698
Dimensions11.24 × 5.52 × 3.52 mm
L/W Ratio2.04
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
11.24 mm5.52 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843667698
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.8%

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: $2,978 SGD|Low: $293 SGD|High: $3,041 SGD|Avg: $1,294 SGD|+5.9%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
November 4, 2026
Retailer 15$311 SGD
Retailer 6$360 SGD
Retailer 2$437 SGD
Retailer 16$578 SGD
Retailer 18$649 SGD
Retailer 4$713 SGD
Retailer 7$831 SGD
Retailer 11$1,044 SGD
Retailer 17$1,243 SGD
Retailer 5$1,256 SGD
Retailer 3$1,367 SGD
Retailer 10$1,532 SGD
Retailer 12$1,703 SGD
Retailer 9$1,930 SGD
Retailer 13$2,220 SGD
Retailer 14$2,351 SGD
Retailer 8$2,387 SGD
Do Amore Diamonds$2,978 SGD

21 data points across 18 retailers

17 retailers$311 SGD to $2,978 SGD

A
Cheapest Retailer
-
$311 SGD
A
Retailer 2
-
$360 SGD
View
A
Retailer 3
-
$437 SGD
View
A
Retailer 4
-
$578 SGD
View
A
Retailer 5
-
$649 SGD
View
Retailer 6
-
$713 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$831 SGD
View
A
Retailer 8
-
$1,044 SGD
View
B+
Retailer 9
-
$1,243 SGD
View
B+
Retailer 10
-
$1,256 SGD
View
B+
Retailer 11
-
$1,367 SGD
View
B+
Retailer 12
-
$1,703 SGD
View
Retailer 13
-
$1,930 SGD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$2,220 SGD
View
B+
Retailer 15
-
$2,351 SGD
View
B
Retailer 16
-
$2,387 SGD
View
Most Expensive
B
Do Amore Diamonds
27-B4608420B · Nov 4
$2,978 SGD
$2,330 USD
View
16 more retailers have this diamond
Prices start from $311 SGDSave up to $2,667 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
1.25ct Marquise
$311 SGD