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Round|Lab Grown|IGI

1.55ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG436073481

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436073481

Diamond specifications and retailer prices

From $1,231 SGD
As of November 5, 2026
Save $3,601 SGD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,832 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073481 or 436073481. Listed at 10 retailers as of November 5, 2026, with prices from $1,231 to $4,832, a $3,601 spread on the same certified stone. MOH London lists it at $4,832. 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

1.55
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073481
Dimensions7.48 × 7.51 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.48 mm7.51 mm1.55 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073481
Side View
Table 60.5%Crown 32°Girdle: UNDPavilion 41.6°Culet: NoneDepth 60.6%

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 5
Current: $4,832 SGD|Low: $1,183 SGD|High: $4,910 SGD|Avg: $2,433 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$1,231 SGD
Retailer 6$1,428 SGD
Retailer 8$1,428 SGD
Retailer 2$1,563 SGD
Retailer 3$1,654 SGD
Retailer 9$2,095 SGD
Retailer 7$2,284 SGD
Retailer 4$3,078 SGD
Retailer 10$4,089 SGD
MOH London$4,832 SGD

40 data points across 10 retailers

10 retailers$1,231 SGD to $4,832 SGD

A
Cheapest Retailer
-
$1,231 SGD
A
Retailer 2
-
$1,340 SGD
View
B+
Retailer 3
-
$1,428 SGD
View
Retailer 4
-
$1,428 SGD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,563 SGD
View
B+
Retailer 6
-
$1,654 SGD
View
B
Retailer 7
-
$2,284 SGD
View
B
Retailer 8
-
$3,078 SGD
View
B
Retailer 9
-
$4,016 SGD
View
Most Expensive
B
MOH London
LG436073481 · Nov 5
$4,832 SGD
£2,979 GBP
View
9 more retailers have this diamond
Prices start from $1,231 SGDSave up to $3,601 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 Round
$1,231 SGD