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Round|Lab Grown|IGI

1.72ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG425074530

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425074530

Diamond specifications and retailer prices

From $574 SGD
$448 USD
As of October 28, 2026
Save $769 SGD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,343 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425074530 or 425074530. Listed at 5 retailers as of October 28, 2026, with prices from $574 to $1,343, a $769 spread on the same certified stone. MOH London lists it at $1,343. 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

1.72
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425074530
Dimensions7.65 × 7.68 × 4.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post growth treatment. This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT).
Top View
7.65 mm7.68 mm1.72 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425074530
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.9%

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: Oct 28
Current: $1,343 SGD|Low: $449 SGD|High: $3,755 SGD|Avg: $1,813 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3$574 SGD
Retailer 2$613 SGD
Retailer 5$672 SGD
Retailer 4$815 SGD
MOH London$1,343 SGD
Retailer 6$2,807 SGD
Retailer 7$3,755 SGD
Retailer 8$3,755 SGD

33 data points across 8 retailers

5 retailers$574 SGD to $1,343 SGD

B+
Cheapest Retailer
-
$574 SGD
$448 USD
A
Retailer 2
-
$613 SGD
£376 GBP
View
A
Retailer 3
-
$672 SGD
$524 USD
View
B+
Retailer 4
-
$815 SGD
$636 USD
View
Most Expensive
B
MOH London
LG425074530 · Oct 29
$1,343 SGD
£825 GBP
View
4 more retailers have this diamond
Prices start from $574 SGDSave up to $769 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
1.72ct Round
$574 SGD