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Round|Lab Grown|IGI

1.55ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG483197577

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483197577

Diamond specifications and retailer prices

From $1,098 SGD
As of November 5, 2026
Save $4,865 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,963 SGD at MOH London · As of November 3, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG483197577 or 483197577. Listed at 11 retailers as of November 3, 2026, with prices from $1,098 to $5,963, a $4,865 spread on the same certified stone. MOH London lists it at $5,963. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483197577
Dimensions7.51 × 7.48 × 4.54 mm
L/W Ratio1.00
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
7.51 mm7.48 mm1.55 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483197577
Side View
Table 60.0%Crown 32.9°Girdle: THN-MEDPavilion 41.5°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: Nov 5
Current: $5,963 SGD|Low: $1,098 SGD|High: $6,043 SGD|Avg: $3,180 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,098 SGD
Retailer 4$1,800 SGD
Retailer 7$2,016 SGD
Retailer 5$2,088 SGD
Retailer 8$2,306 SGD
Retailer 3$2,387 SGD
Retailer 10$2,850 SGD
Retailer 6$3,294 SGD
Retailer 9$3,790 SGD
MOH London$5,963 SGD
Retailer 11$5,975 SGD

14 data points across 11 retailers

11 retailers$1,098 SGD to $5,963 SGD

A
Cheapest Retailer
-
$1,098 SGD
B+
Retailer 2
-
$1,800 SGD
View
B+
Retailer 3
-
$1,958 SGD
View
B+
Retailer 4
-
$2,016 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,088 SGD
View
Retailer 6
-
$2,088 SGD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$2,306 SGD
View
B
Retailer 8
-
$3,294 SGD
View
B
Retailer 9
-
$3,790 SGD
View
B
Retailer 10
-
$3,914 SGD
View
Most Expensive
B
MOH London
LG483197577 · Nov 3
$5,963 SGD
£3,676 GBP
View
10 more retailers have this diamond
Prices start from $1,098 SGDSave up to $4,865 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
$1,098 SGD