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Round|Lab Grown|IGI

1.33ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG425066490

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066490

Diamond specifications and retailer prices

From $858 SGD
$671 USD
As of November 1, 2026
Save $3,331 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,189 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.33ct lab-grown round diamond

This 1.33ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425066490 or 425066490. Listed at 10 retailers as of November 1, 2026, with prices from $858 to $4,189, a $3,331 spread on the same certified stone. MOH London lists it at $4,189. 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

1.33
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066490
Dimensions7.01 × 7.03 × 4.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.01 mm7.03 mm1.33 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425066490
Side View
Table 54.0%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

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 1
Current: $4,189 SGD|Low: $823 SGD|High: $4,239 SGD|Avg: $1,713 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$858 SGD
Retailer 7$959 SGD
Retailer 2$984 SGD
Retailer 5$995 SGD
Retailer 8$995 SGD
Retailer 9$1,603 SGD
Retailer 6$1,618 SGD
Retailer 10$2,224 SGD
Retailer 3$2,540 SGD
MOH London$4,189 SGD

15 data points across 10 retailers

10 retailers$858 SGD to $4,189 SGD

A
Cheapest Retailer
-
$858 SGD
$671 USD
A
Retailer 2
-
$933 SGD
$730 USD
View
A
Retailer 3
-
$959 SGD
$750 USD
View
Final sale: no returns
A
Retailer 4
-
$984 SGD
$770 USD
View
A
Retailer 5
-
$995 SGD
$778 USD
View
Retailer 6
-
$995 SGD
$778 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$1,618 SGD
$1,266 USD
View
B
Retailer 8
-
$2,540 SGD
$1,987 USD
View
B
Retailer 9
-
$2,796 SGD
$2,187 USD
View
Most Expensive
B
MOH London
LG425066490 · Nov 1
$4,189 SGD
£2,580 GBP
View
9 more retailers have this diamond
Prices start from $858 SGDSave up to $3,331 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
1.33ct Round
$858 SGD