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1.43ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG499189128

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499189128

Diamond specifications and retailer prices

From $920 SGD
As of November 5, 2026
Save $3,762 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,682 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499189128 or 499189128. Listed at 11 retailers as of November 5, 2026, with prices from $920 to $4,682, a $3,762 spread on the same certified stone. MOH London lists it at $4,682. 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

1.43
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189128
Dimensions7.22 × 7.25 × 4.47 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
7.22 mm7.25 mm1.43 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189128
Side View
Table 54.5%Crown 34.9°GirdlePavilion 40.3°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: $4,682 SGD|Low: $920 SGD|High: $4,758 SGD|Avg: $1,993 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$920 SGD
Retailer 3$1,193 SGD
Retailer 7$1,336 SGD
Retailer 5$1,385 SGD
Retailer 8$1,385 SGD
Retailer 9$1,609 SGD
Retailer 10$2,036 SGD
Retailer 6$2,216 SGD
Retailer 2$3,080 SGD
MOH London$4,682 SGD

15 data points across 10 retailers

11 retailers$920 SGD to $4,682 SGD

A
Cheapest Retailer
-
$920 SGD
B+
Retailer 2
-
$1,193 SGD
View
B+
Retailer 3
-
$1,299 SGD
View
B+
Retailer 4
-
$1,336 SGD
View
Final sale: no returns
Retailer 5
-
$1,385 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,385 SGD
View
B+
Retailer 7
-
$1,609 SGD
View
B
Retailer 8
-
$2,216 SGD
View
B
Retailer 9
-
$3,080 SGD
View
B
Retailer 10
-
$3,892 SGD
View
Most Expensive
B
MOH London
LG499189128 · Nov 5
$4,682 SGD
£2,886 GBP
View
10 more retailers have this diamond
Prices start from $920 SGDSave up to $3,762 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
1.43ct Round
$920 SGD