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Round|Lab Grown|IGI

1.54ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG478113435

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478113435

Diamond specifications and retailer prices

From $1,086 SGD
As of November 5, 2026
Save $4,824 SGD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,910 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478113435 or 478113435. Listed at 12 retailers as of November 5, 2026, with prices from $1,086 to $5,910, a $4,824 spread on the same certified stone. MOH London lists it at $5,910. 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

1.54
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478113435
Dimensions7.33 × 7.37 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.33 mm7.37 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478113435
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.0%

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: Nov 5
Current: $5,910 SGD|Low: $1,086 SGD|High: $6,005 SGD|Avg: $2,850 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6$1,086 SGD
Retailer 7$1,788 SGD
Retailer 10$1,947 SGD
Retailer 12$2,003 SGD
Retailer 8$2,074 SGD
Retailer 13$2,074 SGD
Retailer 3$2,293 SGD
Retailer 5$2,833 SGD
Retailer 9$3,275 SGD
Retailer 2$3,731 SGD
Retailer 4$3,765 SGD
Retailer 11$3,889 SGD
MOH London$5,910 SGD

39 data points across 13 retailers

12 retailers$1,086 SGD to $5,910 SGD

A
Cheapest Retailer
-
$1,086 SGD
B+
Retailer 2
-
$1,788 SGD
View
B+
Retailer 3
-
$1,947 SGD
View
B+
Retailer 4
-
$2,003 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,074 SGD
View
Retailer 6
-
$2,074 SGD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$2,293 SGD
View
B
Retailer 8
-
$3,275 SGD
View
B
Retailer 9
-
$3,731 SGD
View
B
Retailer 10
-
$3,765 SGD
View
B
Retailer 11
-
$3,889 SGD
View
Most Expensive
B
MOH London
LG478113435 · Nov 5
$5,910 SGD
£3,643 GBP
View
11 more retailers have this diamond
Prices start from $1,086 SGDSave up to $4,824 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
1.54ct Round
$1,086 SGD