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Emerald|Lab Grown|IGI

1.73ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG815690517

Shape and cutting style on the report: Emerald cut

Certificate IGI LG815690517

Diamond specifications and retailer prices

From $368 USD
As of October 29, 2026
Save $4,132 USD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,500 USD at Brilliant Earth · As of October 29, 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 LG815690517 or 815690517. Listed at 20 retailers as of October 29, 2026, with prices from $368 to $4,500, a $4,132 spread on the same certified stone. Brilliant Earth lists it at $4,500. 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 angle38.4°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815690517
Dimensions8.49 × 5.48 × 3.72 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.49 mm5.48 mm1.73 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815690517
Side View
Table 63.0%Crown 38.4°Girdle: MediumPavilion 43.6°Culet: LargeDepth 67.9%

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: $4,500 USD|Low: $368 USD|High: $4,680 USD|Avg: $1,226 USD|-3.8%
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
Retailer 16
October 29, 2026
Retailer 11$368 USD
Retailer 4$552 USD
Retailer 16$555 USD
Retailer 8$700 USD
Retailer 2$731 USD
Retailer 10$741 USD
Retailer 5$751 USD
Retailer 13$953 USD
Retailer 6$1,203 USD
Retailer 7$1,298 USD
Retailer 9$1,298 USD
Retailer 12$1,308 USD
Retailer 15$1,358 USD
Retailer 14$1,440 USD
Retailer 3$1,647 USD
Brilliant Earth$4,500 USD

20 data points across 16 retailers

20 retailers$368 USD to $4,500 USD

A
Retailer 1
-
$339 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$368 USD
View
Final sale: no returns
A
Retailer 3
-
$415 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$552 USD
View
A
Retailer 5
-
$555 USD
View
A
Retailer 6
-
$700 USD
ZAR 11,301 ZAR
View
A
Retailer 7
-
$731 USD
£576 GBP
View
A
Retailer 8
-
$741 USD
€706 EUR
View
A
Retailer 9
-
$751 USD
View
A
Retailer 10
-
$953 USD
A$1,466 AUD
View
B+
Retailer 11
-
$1,203 USD
View
B+
Retailer 12
-
$1,298 USD
View
B+
Retailer 13
-
$1,298 USD
View
B+
Retailer 14
-
$1,308 USD
SGD 1,768 SGD
View
B+
Retailer 15
-
$1,358 USD
View
B+
Retailer 16
-
$1,440 USD
View
B+
Retailer 17
-
$1,631 USD
£1,284 GBP
View
Price last confirmed 37 days ago
B+
Retailer 18
-
$1,645 USD
A$2,530 AUD
View
Price last confirmed 21 days ago
B+
Retailer 19
-
$1,647 USD
£1,297 GBP
View
Most Expensive
B
Brilliant Earth
20604516A · Oct 29
$4,500 USD
View
19 more retailers have this diamond
Prices start from $368 USDSave up to $4,132 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
$368 USD