Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611669

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611669

Diamond specifications and retailer prices

From $1,186 SGD
$928 USD
As of November 2, 2026
Save $4,218 SGD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,534 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611669 or 790611669. Listed at 22 retailers as of October 31, 2026, with a 356% 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

1.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611669
Dimensions11.57 × 6.09 × 3.86 mm
L/W Ratio1.90
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
11.57 mm6.09 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611669
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.4%

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 2
Current: $10,534 SGD|Low: $1,186 SGD|High: $10,534 SGD|Avg: $3,106 SGD
Do Amore Diamonds
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 22
November 2, 2026
Retailer 10$1,186 SGD
Retailer 8$1,227 SGD
Retailer 19$1,291 SGD
Retailer 11$1,328 SGD
Retailer 9$1,376 SGD
Retailer 21$1,376 SGD
Retailer 20$1,598 SGD
Retailer 22$1,645 SGD
Retailer 4$1,849 SGD
Retailer 2$2,190 SGD
Retailer 3$2,204 SGD
Retailer 16$2,792 SGD
Retailer 14$2,847 SGD
Retailer 18$3,060 SGD
Retailer 15$4,189 SGD
Retailer 7$4,303 SGD
Retailer 5$4,453 SGD
Retailer 17$4,705 SGD
Retailer 13$5,152 SGD
Retailer 12$5,354 SGD
Retailer 6$5,404 SGD
Do Amore Diamonds$10,534 SGD

44 data points across 22 retailers

22 retailers$1,186 SGD to $5,404 SGD

A
Cheapest Retailer
-
$1,186 SGD
$928 USD
A
Retailer 2
-
$1,227 SGD
$960 USD
View
A
Retailer 3
-
$1,291 SGD
$1,010 USD
View
A
Retailer 4
-
$1,328 SGD
$1,039 USD
View
Final sale: no returns
Retailer 5
-
$1,376 SGD
$1,076 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,376 SGD
$1,076 USD
View
A
Retailer 7
-
$1,598 SGD
$1,250 USD
View
A
Retailer 8
-
$1,645 SGD
$1,287 USD
View
A
Retailer 9
-
$1,849 SGD
HK$11,300 HKD
View
A
Retailer 10
-
$2,190 SGD
£1,349 GBP
View
A
Retailer 11
-
$2,204 SGD
$1,724 USD
View
B+
Retailer 12
-
$2,792 SGD
ZAR 35,281 ZAR
View
B+
Retailer 13
-
$2,847 SGD
$2,227 USD
View
B+
Retailer 14
-
$3,060 SGD
$2,394 USD
View
B
Retailer 15
-
$4,189 SGD
£2,580 GBP
View
B+
Retailer 16
-
$4,303 SGD
$3,366 USD
View
B
Retailer 17
-
$4,453 SGD
$3,483 USD
View
B
Retailer 18
-
$4,705 SGD
$3,680 USD
View
B
Retailer 19
-
$5,152 SGD
£3,173 GBP
View
B
Retailer 20
-
$5,354 SGD
View
B
Retailer 21
-
$5,404 SGD
$4,228 USD
View
Most Expensive
Do Amore Diamonds
27-B7711CEBB · Nov 2
$10,534 SGD
$8,240 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,186 SGDSave up to $4,218 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
1.55ct Marquise
$1,186 SGD