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Round|Lab Grown|IGI

1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG632499250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG632499250

Diamond specifications and retailer prices

From $263 SGD
$205 USD
As of October 29, 2026
Save $2,558 SGD (91%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,821 SGD at Jared · As of October 28, 2026
View at Jared

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG632499250 or 632499250. Listed at 11 retailers as of October 28, 2026, with prices from $263 to $2,821, a $2,558 spread on the same certified stone. Jared lists it at $2,821. 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

1.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632499250
Dimensions7.70 × 7.75 × 4.70 mm
L/W Ratio1.01
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
7.70 mm7.75 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632499250
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.9%

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 29
Current: $625 SGD|Low: $221 SGD|High: $2,615 SGD|Avg: $1,004 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 12$263 SGD
Retailer 13$297 SGD
Retailer 11$305 SGD
Retailer 10$563 SGD
Retailer 1$625 SGD
Retailer 4$701 SGD
Retailer 5$777 SGD
Retailer 3$810 SGD
Retailer 7$1,053 SGD
Retailer 8$1,158 SGD
Retailer 6$1,444 SGD
Retailer 2$1,872 SGD
Retailer 9$2,526 SGD

35 data points across 13 retailers

11 retailers$263 SGD to $2,821 SGD

A
Cheapest Retailer
-
$263 SGD
$205 USD
A
Retailer 2
-
$297 SGD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$305 SGD
$238 USD
View
B+
Retailer 4
-
$563 SGD
$439 USD
View
A
Retailer 5
-
$625 SGD
£384 GBP
View
B+
Retailer 6
-
$1,053 SGD
$821 USD
View
B+
Retailer 7
-
$1,158 SGD
$903 USD
View
B
Retailer 8
-
$1,444 SGD
£887 GBP
View
B
Retailer 9
-
$1,872 SGD
$1,460 USD
View
B
Retailer 10
-
$2,526 SGD
$1,970 USD
View
Most Expensive
B
Jared
151375966 · Oct 28
$2,821 SGD
$2,200 USD
View
10 more retailers have this diamond
Prices start from $263 SGDSave up to $2,558 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
1.73ct Round
$263 SGD