Princess|Lab Grown|IGI

1.73ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG731589724

Shape and cutting style on the report: Princess cut

Certificate IGI LG731589724

Diamond specifications and retailer prices

From $616 USD
As of October 27, 2026
Save $3,944 USD (86%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,560 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.73ct lab-grown princess diamond

This 1.73ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731589724 or 731589724. Listed at 27 retailers as of October 27, 2026, with prices from $616 to $4,560, a $3,944 spread on the same certified stone. Brilliant Earth lists it at $4,560. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731589724
Dimensions6.76 × 6.53 × 4.60 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.76 mm6.53 mm1.73 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731589724
Side View
Table 72.0%Crown 41.9°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 70.4%

Caratlytics Score

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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 27
Current: $4,560 USD|Low: $616 USD|High: $4,560 USD|Avg: $1,892 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 3$616 USD
Retailer 6$689 USD
Retailer 10$890 USD
Retailer 15$1,135 USD
Retailer 2$1,192 USD
Retailer 9$1,312 USD
Retailer 8$1,390 USD
Retailer 11$1,776 USD
Retailer 12$1,894 USD
Retailer 7$2,225 USD
Retailer 4$2,517 USD
Retailer 5$2,565 USD
Retailer 13$3,190 USD
Retailer 14$3,331 USD
Brilliant Earth$4,560 USD

42 data points across 15 retailers

27 retailers$616 USD to $4,560 USD

A
Cheapest Retailer
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$616 USD
A
Retailer 2
-
$616 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$689 USD
View
Final sale: no returns
A
Retailer 4
-
$689 USD
View
A
Retailer 5
-
$753 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$763 USD
View
A
Retailer 7
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$763 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$890 USD
View
A
Retailer 9
-
$1,121 USD
View
A
Retailer 10
-
$1,135 USD
View
A
Retailer 11
-
$1,192 USD
£938 GBP
View
A
Retailer 12
-
$1,312 USD
ZAR 21,192 ZAR
View
A
Retailer 13
-
$1,390 USD
€1,324 EUR
View
A
Retailer 14
-
$1,776 USD
A$2,733 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
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$1,777 USD
View
A
Retailer 16
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$1,894 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
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$2,007 USD
View
B+
Retailer 18
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$2,225 USD
£1,752 GBP
View
B+
Retailer 19
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$2,436 USD
View
B+
Retailer 20
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$2,466 USD
View
B+
Retailer 21
-
$2,517 USD
A$3,872 AUD
View
Price last confirmed 21 days ago
B+
Retailer 22
-
$2,520 USD
View
B+
Retailer 23
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$2,565 USD
View
B+
Retailer 24
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$2,822 USD
View
B+
Retailer 25
-
$3,190 USD
View
Price last confirmed 11 days ago
B+
Retailer 26
-
$3,331 USD
£2,623 GBP
View
Most Expensive
B
Brilliant Earth
18154540A · Oct 29
$4,560 USD
View
26 more retailers have this diamond
Prices start from $616 USDSave up to $3,944 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 Princess
$616 USD