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Round|Lab Grown|IGI

1.55ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG485161772

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161772

Diamond specifications and retailer prices

From $1,099 SGD
$860 USD
As of October 31, 2026
Save $4,948 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,048 SGD at MOH London · As of October 25, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161772 or 485161772. Listed at 10 retailers as of October 25, 2026, with prices from $1,099 to $6,048, a $4,948 spread on the same certified stone. MOH London lists it at $6,048. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161772
Dimensions7.40 × 7.37 × 4.55 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
7.40 mm7.37 mm1.55 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161772
Side View
Table 59.5%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.6%

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: Oct 31
Current: $6,048 SGD|Low: $1,099 SGD|High: $6,121 SGD|Avg: $2,747 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,099 SGD
Retailer 5$1,621 SGD
Retailer 8$1,763 SGD
Retailer 10$1,815 SGD
Retailer 6$1,881 SGD
Retailer 3$2,203 SGD
Retailer 12$2,603 SGD
Retailer 7$2,976 SGD
Retailer 11$3,504 SGD
Retailer 9$3,523 SGD
Retailer 4$4,208 SGD
MOH London$6,048 SGD

14 data points across 12 retailers

10 retailers$1,099 SGD to $6,048 SGD

A
Cheapest Retailer
-
$1,099 SGD
$860 USD
B+
Retailer 2
-
$1,621 SGD
$1,268 USD
View
B+
Retailer 3
-
$1,763 SGD
$1,379 USD
View
B+
Retailer 4
-
$1,815 SGD
$1,420 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,881 SGD
$1,471 USD
View
Retailer 6
-
$1,881 SGD
$1,471 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,976 SGD
$2,328 USD
View
B
Retailer 8
-
$3,504 SGD
$2,741 USD
View
B
Retailer 9
-
$3,523 SGD
$2,756 USD
View
Most Expensive
B
MOH London
LG485161772 · Oct 25
$6,048 SGD
£3,725 GBP
View
9 more retailers have this diamond
Prices start from $1,099 SGDSave up to $4,948 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
$1,099 SGD