Round|Lab Grown|IGI

1.73ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492112473

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492112473

Diamond specifications and retailer prices

From $1,270 USD
As of October 29, 2026
Save $3,762 USD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,032 USD at MOH London · As of October 27, 2026
View at MOH London

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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492112473 or 492112473. Listed at 12 retailers as of October 27, 2026, with prices from $1,270 to $5,032, a $3,762 spread on the same certified stone. MOH London lists it at $5,032. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492112473
Dimensions7.77 × 7.83 × 4.62 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
7.77 mm7.83 mm1.73 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492112473
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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: $5,032 USD|Low: $1,270 USD|High: $5,093 USD|Avg: $2,583 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$1,270 USD
Retailer 7$1,517 USD
Retailer 10$1,699 USD
Retailer 8$1,760 USD
Retailer 11$1,760 USD
Retailer 12$1,930 USD
Retailer 3$2,387 USD
Retailer 9$2,773 USD
Retailer 6$3,112 USD
Retailer 2$3,235 USD
Retailer 4$3,937 USD
MOH London$5,032 USD

20 data points across 12 retailers

12 retailers$1,270 USD to $5,032 USD

A
Cheapest Retailer
-
$1,270 USD
A
Retailer 2
-
$1,517 USD
View
B+
Retailer 3
-
$1,650 USD
View
B+
Retailer 4
-
$1,699 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,760 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,760 USD
View
B+
Retailer 7
-
$1,930 USD
View
B
Retailer 8
-
$2,773 USD
View
B
Retailer 9
-
$3,112 USD
View
B
Retailer 10
-
$3,235 USD
ZAR 52,258 ZAR
View
B
Retailer 11
-
$3,298 USD
View
Most Expensive
B
MOH London
LG492112473 · Oct 27
$5,032 USD
£3,962 GBP
View
11 more retailers have this diamond
Prices start from $1,270 USDSave up to $3,762 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
$1,270 USD