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1.30ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG492134147

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492134147

Diamond specifications and retailer prices

From $663 SGD
As of November 5, 2026
Save $2,757 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,420 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492134147 or 492134147. Listed at 10 retailers as of November 5, 2026, with prices from $663 to $3,420, a $2,757 spread on the same certified stone. MOH London lists it at $3,420. 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

1.30
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492134147
Dimensions7.14 × 7.17 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
7.14 mm7.17 mm1.30 ctK / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492134147
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 57.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $3,420 SGD|Low: $636 SGD|High: $3,470 SGD|Avg: $1,528 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$663 SGD
Retailer 6$821 SGD
Retailer 8$821 SGD
Retailer 3$996 SGD
Retailer 2$1,136 SGD
Retailer 7$1,273 SGD
Retailer 4$2,120 SGD
Retailer 9$2,200 SGD
MOH London$3,420 SGD

38 data points across 9 retailers

10 retailers$663 SGD to $3,420 SGD

A
Cheapest Retailer
-
$663 SGD
B+
Retailer 2
-
$742 SGD
View
B+
Retailer 3
-
$821 SGD
View
Retailer 4
-
$821 SGD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$996 SGD
View
B+
Retailer 6
-
$1,136 SGD
View
B
Retailer 7
-
$1,273 SGD
View
B
Retailer 8
-
$2,120 SGD
View
B
Retailer 9
-
$2,160 SGD
View
Most Expensive
B
MOH London
LG492134147 · Nov 5
$3,420 SGD
£2,108 GBP
View
9 more retailers have this diamond
Prices start from $663 SGDSave up to $2,757 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
1.30ct Round
$663 SGD