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Marquise|Lab Grown|IGI

1.55ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG788617192

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788617192

Diamond specifications and retailer prices

From $1,232 SGD
$964 USD
As of October 30, 2026
Save $3,830 SGD (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,062 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788617192 or 788617192. Listed at 26 retailers as of October 30, 2026, with prices from $1,232 to $5,062, a $3,830 spread on the same certified stone. Brilliant Earth lists it at $5,062. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788617192
Dimensions11.90 × 6.19 × 3.75 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm6.19 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788617192
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,062 SGD|Low: $1,232 SGD|High: $5,562 SGD|Avg: $2,869 SGD|-0.3%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 31, 2026
Retailer 7$1,232 SGD
Retailer 22$1,341 SGD
Retailer 17$1,378 SGD
Retailer 4$1,429 SGD
Retailer 6$1,429 SGD
Retailer 5$1,650 SGD
Retailer 3$1,653 SGD
Retailer 21$1,656 SGD
Retailer 9$1,791 SGD
Retailer 10$2,045 SGD
Retailer 2$2,204 SGD
Retailer 20$2,381 SGD
Retailer 16$2,400 SGD
Retailer 19$2,627 SGD
Retailer 13$2,733 SGD
Retailer 15$3,955 SGD
Retailer 8$4,018 SGD
Retailer 23$4,248 SGD
Retailer 11$4,641 SGD
Retailer 12$4,795 SGD
Retailer 18$4,872 SGD
Retailer 14$4,976 SGD
Brilliant Earth$5,062 SGD

32 data points across 23 retailers

26 retailers$1,232 SGD to $5,062 SGD

A
Cheapest Retailer
-
$1,232 SGD
$964 USD
A
Retailer 2
-
$1,341 SGD
$1,049 USD
View
A
Retailer 3
-
$1,378 SGD
$1,078 USD
View
Final sale: no returns
Retailer 4
-
$1,429 SGD
$1,118 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,429 SGD
$1,118 USD
View
A
Retailer 6
-
$1,650 SGD
$1,291 USD
View
A
Retailer 7
-
$1,653 SGD
HK$10,100 HKD
View
A
Retailer 8
-
$1,656 SGD
$1,295 USD
View
A
Retailer 9
-
$1,791 SGD
$1,401 USD
View
A
Retailer 10
-
$2,045 SGD
$1,600 USD
View
A
Retailer 11
-
$2,204 SGD
£1,357 GBP
View
B+
Retailer 12
-
$2,381 SGD
€1,774 EUR
View
B+
Retailer 13
-
$2,400 SGD
A$2,888 AUD
View
B+
Retailer 14
-
$2,627 SGD
ZAR 33,197 ZAR
View
B+
Retailer 15
-
$2,733 SGD
$2,138 USD
View
Retailer 16
-
$3,080 SGD
$2,409 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$3,955 SGD
£2,436 GBP
View
B
Retailer 18
-
$4,018 SGD
$3,143 USD
View
B+
Retailer 19
-
$4,248 SGD
$3,323 USD
View
B+
Retailer 20
-
$4,269 SGD
$3,339 USD
View
B
Retailer 21
-
$4,641 SGD
$3,631 USD
View
B
Retailer 22
-
$4,795 SGD
View
B
Retailer 23
-
$4,872 SGD
£3,001 GBP
View
B
Retailer 24
-
$4,976 SGD
$3,892 USD
View
Retailer 25
-
$5,062 SGD
$3,960 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
20474067A · Oct 31
$5,062 SGD
$3,960 USD
View
25 more retailers have this diamond
Prices start from $1,232 SGDSave up to $3,830 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
$1,232 SGD