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Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545368

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545368

Diamond specifications and retailer prices

From $638 SGD
As of November 4, 2026
Save $5,462 SGD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,100 SGD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

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 LG762545368 or 762545368. Listed at 15 retailers as of November 2, 2026, with prices from $638 to $6,100, a $5,462 spread on the same certified stone. Diamond Quarter lists it at $6,100. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545368
Dimensions11.05 × 5.65 × 3.57 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
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
11.05 mm5.65 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545368
Side View
Table 55.0%Crown 36.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.2%

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: $985 SGD|Low: $638 SGD|High: $2,888 SGD|Avg: $1,693 SGD|-18.8%
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
November 5, 2026
Retailer 8$638 SGD
Retailer 9$782 SGD
Retailer 1$985 SGD
Retailer 5$1,012 SGD
Retailer 3$1,114 SGD
Retailer 6$1,131 SGD
Retailer 13$1,246 SGD
Retailer 11$1,265 SGD
Retailer 12$1,833 SGD
Retailer 4$1,962 SGD
Retailer 10$2,121 SGD
Retailer 7$2,156 SGD
Retailer 2$2,364 SGD
Retailer 14$2,376 SGD

45 data points across 14 retailers

15 retailers$638 SGD to $6,100 SGD

A
Cheapest Retailer
-
$638 SGD
A
Retailer 2
-
$782 SGD
View
A
Retailer 3
-
$985 SGD
View
A
Retailer 4
-
$1,012 SGD
View
A
Retailer 5
-
$1,114 SGD
View
A
Retailer 6
-
$1,131 SGD
View
A
Retailer 7
-
$1,246 SGD
View
A
Retailer 8
-
$1,265 SGD
View
B+
Retailer 9
-
$1,833 SGD
View
Retailer 10
-
$1,962 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,121 SGD
View
B+
Retailer 12
-
$2,156 SGD
View
B
Retailer 13
-
$2,364 SGD
View
B
Retailer 14
-
$2,376 SGD
View
Most Expensive
B
Diamond Quarter
1.25IFDLG8215D8N · Nov 2
$6,100 SGD
£3,758 GBP
View
14 more retailers have this diamond
Prices start from $638 SGDSave up to $5,462 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
$638 SGD