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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611819

Diamond specifications and retailer prices

From $1,196 SGD
$935 USD
As of November 2, 2026
Save $5,173 SGD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,369 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG790611819 or 790611819. Listed at 24 retailers as of October 31, 2026, with prices from $1,196 to $6,369, a $5,173 spread on the same certified stone. Brilliant Earth lists it at $6,369. 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 angle35.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611819
Dimensions11.81 × 6.10 × 3.82 mm
L/W Ratio1.94
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
11.81 mm6.10 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611819
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40°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 2
Current: $6,369 SGD|Low: $1,196 SGD|High: $6,369 SGD|Avg: $2,809 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 15$1,196 SGD
Retailer 5$1,301 SGD
Retailer 11$1,339 SGD
Retailer 4$1,388 SGD
Retailer 19$1,388 SGD
Retailer 3$1,604 SGD
Retailer 17$1,611 SGD
Retailer 22$1,628 SGD
Retailer 9$1,656 SGD
Retailer 2$2,138 SGD
Retailer 18$2,205 SGD
Retailer 10$2,221 SGD
Retailer 16$2,550 SGD
Retailer 21$3,086 SGD
Retailer 8$3,840 SGD
Retailer 20$3,901 SGD
Retailer 6$4,341 SGD
Retailer 12$4,527 SGD
Retailer 14$4,656 SGD
Retailer 13$4,730 SGD
Retailer 7$4,826 SGD
Brilliant Earth$6,369 SGD

38 data points across 22 retailers

24 retailers$1,196 SGD to $6,369 SGD

A
Cheapest Retailer
-
$1,196 SGD
$935 USD
A
Retailer 2
-
$1,301 SGD
$1,017 USD
View
A
Retailer 3
-
$1,339 SGD
$1,047 USD
View
Final sale: no returns
Retailer 4
-
$1,388 SGD
$1,085 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,388 SGD
$1,085 USD
View
A
Retailer 6
-
$1,604 SGD
HK$9,800 HKD
View
A
Retailer 7
-
$1,611 SGD
$1,260 USD
View
A
Retailer 8
-
$1,628 SGD
$1,273 USD
View
A
Retailer 9
-
$1,656 SGD
$1,295 USD
View
A
Retailer 10
-
$2,138 SGD
£1,316 GBP
View
B+
Retailer 11
-
$2,205 SGD
€1,642 EUR
View
A
Retailer 12
-
$2,221 SGD
$1,737 USD
View
B+
Retailer 13
-
$2,550 SGD
ZAR 32,213 ZAR
View
B+
Retailer 14
-
$3,086 SGD
$2,413 USD
View
B
Retailer 15
-
$3,840 SGD
£2,364 GBP
View
B
Retailer 16
-
$3,901 SGD
$3,050 USD
View
B+
Retailer 17
-
$4,121 SGD
$3,222 USD
View
B
Retailer 18
-
$4,341 SGD
$3,394 USD
View
B
Retailer 19
-
$4,527 SGD
$3,539 USD
View
B
Retailer 20
-
$4,656 SGD
View
B
Retailer 21
-
$4,730 SGD
£2,912 GBP
View
Retailer 22
-
$4,811 SGD
$3,762 USD
View
Price last confirmed 84 days ago
B
Retailer 23
-
$4,826 SGD
$3,773 USD
View
Most Expensive
B
Brilliant Earth
19074259A · Oct 31
$6,369 SGD
$4,980 USD
View
23 more retailers have this diamond
Prices start from $1,196 SGDSave up to $5,173 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
$1,196 SGD