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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 $205 USD
As of October 29, 2026
Save $1,995 USD (91%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,200 USD 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 $205 to $2,200, a $1,995 spread on the same certified stone. Jared lists it at $2,200. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $487 USD|Low: $172 USD|High: $2,040 USD|Avg: $783 USD|-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$205 USD
Retailer 13$232 USD
Retailer 11$238 USD
Retailer 10$439 USD
Retailer 1$487 USD
Retailer 4$547 USD
Retailer 5$606 USD
Retailer 3$632 USD
Retailer 7$821 USD
Retailer 8$903 USD
Retailer 6$1,126 USD
Retailer 2$1,460 USD
Retailer 9$1,970 USD

35 data points across 13 retailers

11 retailers$205 USD to $2,200 USD

A
Cheapest Retailer
-
$205 USD
A
Retailer 2
-
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$238 USD
View
B+
Retailer 4
-
$439 USD
View
A
Retailer 5
-
$487 USD
£384 GBP
View
B+
Retailer 6
-
$821 USD
View
B+
Retailer 7
-
$903 USD
View
B
Retailer 8
-
$1,126 USD
£887 GBP
View
B
Retailer 9
-
$1,460 USD
View
B
Retailer 10
-
$1,970 USD
View
Most Expensive
B
Jared
151375966 · Oct 28
$2,200 USD
View
10 more retailers have this diamond
Prices start from $205 USDSave up to $1,995 USD

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
$205 USD