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Round|Lab Grown|IGI

1.73ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG490176176

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490176176

Diamond specifications and retailer prices

From $1,270 USD
As of October 29, 2026
Save $3,782 USD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,052 USD at MOH London · As of October 29, 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 LG490176176 or 490176176. Listed at 12 retailers as of October 29, 2026, with prices from $1,270 to $5,052, a $3,782 spread on the same certified stone. MOH London lists it at $5,052. 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 angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490176176
Dimensions7.78 × 7.81 × 4.68 mm
L/W Ratio1.00
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
7.78 mm7.81 mm1.73 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490176176
Side View
Table 59.5%Crown 33.3°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 60.0%

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: $5,052 USD|Low: $1,270 USD|High: $5,093 USD|Avg: $2,794 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$1,270 USD
Retailer 6$1,698 USD
Retailer 7$1,930 USD
Retailer 8$2,387 USD
Retailer 5$2,773 USD
Retailer 4$3,112 USD
Retailer 2$3,235 USD
Retailer 9$3,937 USD
MOH London$5,052 USD

19 data points across 9 retailers

12 retailers$1,270 USD to $5,052 USD

A
Cheapest Retailer
-
$1,270 USD
A
Retailer 2
-
$1,517 USD
View
B+
Retailer 3
-
$1,650 USD
View
B+
Retailer 4
-
$1,698 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
LG490176176 · Oct 29
$5,052 USD
£3,978 GBP
View
11 more retailers have this diamond
Prices start from $1,270 USDSave up to $3,782 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