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Emerald|Lab Grown|IGI

1.73ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG843604944

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843604944

Diamond specifications and retailer prices

From $550 USD
As of October 29, 2026
Save $3,550 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,100 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.73ct lab-grown emerald diamond

This 1.73ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843604944 or 843604944. Listed at 11 retailers as of October 28, 2026, with prices from $550 to $4,100, a $3,550 spread on the same certified stone. Brilliant Earth lists it at $4,100. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604944
Dimensions8.06 × 5.75 × 3.69 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.06 mm5.75 mm1.73 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604944
Side View
Table 65.0%Crown 34.7°Girdle: MediumPavilion 35.4°Culet: LargeDepth 64.2%

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: $4,100 USD|Low: $495 USD|High: $4,100 USD|Avg: $1,575 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$550 USD
Retailer 9$586 USD
Retailer 2$653 USD
Retailer 11$906 USD
Retailer 4$917 USD
Retailer 10$1,022 USD
Retailer 8$1,094 USD
Retailer 3$1,491 USD
Retailer 7$2,550 USD
Retailer 5$3,055 USD
Brilliant Earth$4,100 USD

10 data points across 11 retailers

11 retailers$550 USD to $4,100 USD

A
Cheapest Retailer
-
$550 USD
A
Retailer 2
-
$586 USD
View
A
Retailer 3
-
$653 USD
€622 EUR
View
A
Retailer 4
-
$906 USD
View
A
Retailer 5
-
$917 USD
A$1,410 AUD
View
A
Retailer 6
-
$1,022 USD
View
B+
Retailer 7
-
$1,094 USD
View
B+
Retailer 8
-
$1,491 USD
£1,174 GBP
View
Price last confirmed 10 days ago
B
Retailer 9
-
$2,550 USD
View
B
Retailer 10
-
$3,055 USD
View
Most Expensive
B
Brilliant Earth
22166034Y · Oct 28
$4,100 USD
View
10 more retailers have this diamond
Prices start from $550 USDSave up to $3,550 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 Emerald
$550 USD