Emerald|Lab Grown|IGI

5.17ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG654485361

Shape and cutting style on the report: Emerald cut

Certificate IGI LG654485361

Diamond specifications and retailer prices

From $6,650 USD
As of October 25, 2026
Save $12,955 USD (66%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $19,605 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 5.17ct lab-grown emerald diamond

This 5.17ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG654485361 or 654485361. Listed at 4 retailers as of October 25, 2026, with prices from $6,650 to $19,605, a $12,955 spread on the same certified stone. Blue Nile lists it at $19,605. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.17
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654485361
Dimensions11.41 × 8.17 × 5.39 mm
L/W Ratio1.40
Culet sizeLong
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
11.41 mm8.17 mm5.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654485361
Side View
Table 68.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: LNGDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $19,605 USD|Low: $6,317 USD|High: $176,833 USD|Avg: $42,699 USD|+39.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$6,650 USD
Retailer 4$7,857 USD
Retailer 2$13,620 USD
Blue Nile$19,605 USD
Retailer 6$31,545 USD
Retailer 7$35,448 USD
Retailer 5$176,833 USD

14 data points across 7 retailers

4 retailers$6,650 USD to $19,605 USD

A
Cheapest Retailer
-
$6,650 USD
A
Retailer 2
-
$7,857 USD
View
A
Retailer 3
-
$13,620 USD
View
Most Expensive
B
Blue Nile
29974124 · Oct 29
$19,605 USD
View
3 more retailers have this diamond
Prices start from $6,650 USDSave up to $12,955 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
5.17ct Emerald
$6,650 USD