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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818682574

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682574

Diamond specifications and retailer prices

From $326 SGD
$255 USD
As of October 30, 2026
Save $1,323 SGD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,649 SGD at Brilliant Earth · As of October 30, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682574 or 818682574. Listed at 22 retailers as of October 30, 2026, with prices from $326 to $1,649, a $1,323 spread on the same certified stone. Brilliant Earth lists it at $1,649. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682574
Dimensions12.04 × 6.09 × 3.80 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm6.09 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682574
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: $1,649 SGD|Low: $316 SGD|High: $2,800 SGD|Avg: $975 SGD|-41.1%
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
October 31, 2026
Retailer 11$326 SGD
Retailer 12$363 SGD
Retailer 7$378 SGD
Retailer 4$404 SGD
Retailer 6$404 SGD
Retailer 15$474 SGD
Retailer 21$607 SGD
Retailer 19$675 SGD
Retailer 20$694 SGD
Retailer 8$697 SGD
Retailer 2$765 SGD
Retailer 18$839 SGD
Retailer 3$942 SGD
Retailer 13$1,030 SGD
Retailer 9$1,262 SGD
Retailer 16$1,271 SGD
Retailer 5$1,299 SGD
Retailer 14$1,301 SGD
Retailer 10$1,365 SGD
Retailer 17$1,628 SGD
Brilliant Earth$1,649 SGD

27 data points across 21 retailers

22 retailers$326 SGD to $1,649 SGD

A
Cheapest Retailer
-
$326 SGD
$255 USD
A
Retailer 2
-
$363 SGD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$378 SGD
$296 USD
View
A
Retailer 4
-
$404 SGD
$316 USD
View
A
Retailer 5
-
$404 SGD
$316 USD
View
A
Retailer 6
-
$474 SGD
£292 GBP
View
A
Retailer 7
-
$607 SGD
$475 USD
View
A
Retailer 8
-
$675 SGD
$528 USD
View
A
Retailer 9
-
$694 SGD
ZAR 8,776 ZAR
View
A
Retailer 10
-
$697 SGD
$545 USD
View
A
Retailer 11
-
$765 SGD
£471 GBP
View
A
Retailer 12
-
$839 SGD
$656 USD
View
B+
Retailer 13
-
$942 SGD
A$1,134 AUD
View
B+
Retailer 14
-
$1,030 SGD
$806 USD
View
B+
Retailer 15
-
$1,262 SGD
$987 USD
View
B+
Retailer 16
-
$1,271 SGD
A$1,529 AUD
View
B+
Retailer 17
-
$1,299 SGD
$1,016 USD
View
B+
Retailer 18
-
$1,301 SGD
View
B
Retailer 19
-
$1,365 SGD
$1,068 USD
View
B
Retailer 20
-
$1,590 SGD
$1,244 USD
View
B
Retailer 21
-
$1,628 SGD
£1,003 GBP
View
Most Expensive
B
Brilliant Earth
21636411A · Oct 30
$1,649 SGD
$1,290 USD
View
21 more retailers have this diamond
Prices start from $326 SGDSave up to $1,323 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
$326 SGD