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Marquise|Lab Grown|IGI

1.17ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780665641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665641

Diamond specifications and retailer prices

From $354 SGD
$277 USD
As of October 30, 2026
Save $2,791 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,145 SGD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown marquise diamond

This 1.17ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665641 or 780665641. Listed at 17 retailers as of October 30, 2026, with prices from $354 to $3,145, a $2,791 spread on the same certified stone. Do Amore Diamonds lists it at $3,145. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665641
Dimensions10.74 × 5.57 × 3.49 mm
L/W Ratio1.93
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
10.74 mm5.57 mm1.17 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665641
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: Oct 30
Current: $3,145 SGD|Low: $354 SGD|High: $3,439 SGD|Avg: $1,370 SGD|-7.5%
Do Amore Diamonds
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
November 1, 2026
Retailer 13$354 SGD
Retailer 5$412 SGD
Retailer 9$500 SGD
Retailer 14$642 SGD
Retailer 6$722 SGD
Retailer 16$726 SGD
Retailer 8$750 SGD
Retailer 12$831 SGD
Retailer 10$971 SGD
Retailer 15$1,351 SGD
Retailer 4$1,392 SGD
Retailer 3$1,561 SGD
Retailer 2$1,945 SGD
Retailer 11$2,416 SGD
Retailer 7$2,947 SGD
Do Amore Diamonds$3,145 SGD

39 data points across 16 retailers

17 retailers$354 SGD to $3,145 SGD

A
Cheapest Retailer
-
$354 SGD
$277 USD
A
Retailer 2
-
$412 SGD
$322 USD
View
A
Retailer 3
-
$450 SGD
$352 USD
View
Final sale: no returns
A
Retailer 4
-
$500 SGD
£308 GBP
View
A
Retailer 5
-
$642 SGD
$502 USD
View
A
Retailer 6
-
$722 SGD
$565 USD
View
A
Retailer 7
-
$726 SGD
$568 USD
View
A
Retailer 8
-
$750 SGD
$587 USD
View
A
Retailer 9
-
$831 SGD
€619 EUR
View
B+
Retailer 10
-
$971 SGD
A$1,168 AUD
View
B+
Retailer 11
-
$1,351 SGD
$1,057 USD
View
B+
Retailer 12
-
$1,392 SGD
$1,089 USD
View
B+
Retailer 13
-
$1,561 SGD
$1,221 USD
View
B+
Retailer 14
-
$1,945 SGD
£1,198 GBP
View
B
Retailer 15
-
$2,416 SGD
$1,890 USD
View
B
Retailer 16
-
$2,947 SGD
$2,305 USD
View
Most Expensive
B
Do Amore Diamonds
27-7E40AE39D · Nov 1
$3,145 SGD
$2,460 USD
View
16 more retailers have this diamond
Prices start from $354 SGDSave up to $2,791 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
1.17ct Marquise
$354 SGD