Oval|Lab Grown|IGI

1.73ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG581328570

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG581328570

Diamond specifications and retailer prices

From $1,940 USD
As of October 31, 2026
Save $1,345 USD (41%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,859 USD at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.73ct lab-grown oval diamond

This 1.73ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG581328570 or 581328570. Listed at 16 retailers as of October 31, 2026, with a 69% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581328570
Dimensions9.73 × 6.76 × 4.24 mm
L/W Ratio1.44
Girdle conditionFaceted
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
9.73 mm6.76 mm1.73 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581328570
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,859 USD|Low: $1,940 USD|High: $8,514 USD|Avg: $4,662 USD
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$1,940 USD
Retailer 12$2,691 USD
Retailer 5$2,928 USD
Retailer 13$3,122 USD
Retailer 8$3,900 USD
Retailer 2$4,217 USD
Retailer 4$4,291 USD
Retailer 11$4,581 USD
Loose Grown Diamond$4,859 USD
Retailer 10$5,739 USD
Retailer 7$7,772 USD
Retailer 3$7,842 USD
Retailer 6$8,359 USD

43 data points across 13 retailers

16 retailers$1,940 USD to $3,285 USD

B+
Cheapest Retailer
-
$1,940 USD
B
Retailer 2
-
$2,691 USD
View
B
Retailer 3
-
$2,928 USD
View
Retailer 4
-
$3,122 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
$3,122 USD
View
B
Retailer 6
-
$3,285 USD
View
Retailer 7
-
$3,900 USD
£3,071 GBP
View
Price under review
Retailer 8
-
$4,217 USD
£3,320 GBP
View
Price under review
Retailer 9
-
$4,291 USD
View
Price under review
Retailer 10
-
$4,581 USD
View
Price under review
Most Expensive
Loose Grown Diamond
581328570 · Nov 1
$4,859 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,940 USDSave up to $1,345 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.

B+
1.73ct Oval
$1,940 USD