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Marquise|Lab Grown|IGI

2.54ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG826644897

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826644897

Diamond specifications and retailer prices

From $605 SGD
HK$3,700 HKD
As of October 31, 2026
Save $2,322 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,928 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.54ct lab-grown marquise diamond

This 2.54ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826644897 or 826644897. Listed at 16 retailers as of October 31, 2026, with prices from $605 to $2,928, a $2,322 spread on the same certified stone. Brilliant Earth lists it at $2,928. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826644897
Dimensions14.42 × 7.30 × 4.28 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
14.42 mm7.30 mm2.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826644897
Side View
Table 63.0%Crown 32.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 58.6%

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: Oct 31
Current: $2,928 SGD|Low: $501 SGD|High: $4,794 SGD|Avg: $1,527 SGD|-38.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$501 SGD
Retailer 7$697 SGD
Retailer 6$837 SGD
Retailer 9$858 SGD
Retailer 12$891 SGD
Retailer 8$992 SGD
Retailer 4$1,071 SGD
Retailer 5$1,345 SGD
Retailer 2$1,732 SGD
Retailer 10$2,180 SGD
Retailer 11$2,634 SGD
Brilliant Earth$2,928 SGD

40 data points across 12 retailers

16 retailers$605 SGD to $2,928 SGD

Retailer 1
-
$447 SGD
$350 USD
Price last confirmed 15 days ago
Retailer 2
-
$519 SGD
$406 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$555 SGD
$434 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$605 SGD
HK$3,700 HKD
View
A
Retailer 5
-
$697 SGD
£429 GBP
View
A
Retailer 6
-
$837 SGD
$655 USD
View
A
Retailer 7
-
$858 SGD
€639 EUR
View
B+
Retailer 8
-
$891 SGD
$697 USD
View
A
Retailer 9
-
$992 SGD
£611 GBP
View
B+
Retailer 10
-
$1,071 SGD
$838 USD
View
B+
Retailer 11
-
$1,345 SGD
$1,052 USD
View
B
Retailer 12
-
$1,732 SGD
View
Retailer 13
-
$1,783 SGD
$1,395 USD
View
Price last confirmed 15 days ago
Retailer 14
-
$2,180 SGD
£1,343 GBP
View
Price last confirmed 10 days ago
B
Retailer 15
-
$2,634 SGD
$2,060 USD
View
Most Expensive
B
Brilliant Earth
20881561A · Oct 31
$2,928 SGD
$2,290 USD
View
15 more retailers have this diamond
Prices start from $605 SGDSave up to $2,322 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
2.54ct Marquise
$605 SGD