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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662340

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662340

Diamond specifications and retailer prices

From $654 SGD
As of November 4, 2026
Save $2,399 SGD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,225 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662340 or 780662340. Listed at 14 retailers as of November 4, 2026, with a 367% 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

1.27
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662340
Dimensions11.51 × 5.54 × 3.47 mm
L/W Ratio2.08
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
11.51 mm5.54 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662340
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: $1,114 SGD|Low: $654 SGD|High: $4,356 SGD|Avg: $1,983 SGD|-8.0%
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
November 5, 2026
Retailer 8$654 SGD
Retailer 10$794 SGD
Retailer 6$994 SGD
Retailer 1$1,114 SGD
Retailer 5$1,115 SGD
Retailer 12$1,284 SGD
Retailer 3$1,303 SGD
Retailer 2$1,464 SGD
Retailer 4$1,501 SGD
Retailer 13$1,857 SGD
Retailer 11$2,155 SGD
Retailer 7$2,188 SGD
Retailer 9$3,053 SGD

41 data points across 13 retailers

14 retailers$654 SGD to $3,053 SGD

A
Cheapest Retailer
-
$654 SGD
A
Retailer 2
-
$794 SGD
View
A
Retailer 3
-
$994 SGD
View
A
Retailer 4
-
$1,114 SGD
View
A
Retailer 5
-
$1,115 SGD
View
A
Retailer 6
-
$1,284 SGD
View
Retailer 7
-
$1,303 SGD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,464 SGD
View
B+
Retailer 9
-
$1,501 SGD
View
B+
Retailer 10
-
$1,857 SGD
View
B+
Retailer 11
-
$2,155 SGD
View
B+
Retailer 12
-
$2,188 SGD
View
B
Retailer 13
-
$3,053 SGD
View
Most Expensive
Rare Carat
52437 · Oct 28
$3,225 SGD
$2,525 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $654 SGDSave up to $2,399 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
1.27ct Marquise
$654 SGD