Emerald|Lab Grown|IGI

4.51ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG831603917

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831603917

Diamond specifications and retailer prices

From $8,800 CAD
$6,300 USD
As of October 30, 2026
Save $30,184 CAD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $38,985 CAD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831603917 or 831603917. Listed at 23 retailers as of October 30, 2026, with prices from $8,800 to $38,985, a $30,184 spread on the same certified stone. With Clarity lists it at $38,985. 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

4.51
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831603917
Dimensions11.52 × 7.77 × 4.97 mm
L/W Ratio1.48
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
11.52 mm7.77 mm4.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831603917
Side View
Table 59.0%Crown 37.2°Girdle: MediumPavilion 40.4°Culet: LargeDepth 64.0%

Caratlytics Score

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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 30
Current: $12,120 CAD|Low: $8,800 CAD|High: $41,175 CAD|Avg: $18,589 CAD
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
With Clarity
October 31, 2026
Retailer 6$8,800 CAD
Retailer 17$9,152 CAD
Retailer 20$9,857 CAD
Retailer 14$10,183 CAD
Retailer 13$10,763 CAD
Retailer 16$10,894 CAD
Retailer 15$11,547 CAD
Retailer 1$12,120 CAD
Retailer 3$12,302 CAD
Retailer 12$12,810 CAD
Retailer 7$14,562 CAD
Retailer 11$16,165 CAD
Retailer 9$17,834 CAD
Retailer 18$18,365 CAD
Retailer 19$21,093 CAD
Retailer 10$21,633 CAD
Retailer 8$22,910 CAD
Retailer 2$28,409 CAD
Retailer 5$35,360 CAD
Retailer 4$35,595 CAD
With Clarity$38,985 CAD

34 data points across 21 retailers

23 retailers$8,800 CAD to $38,985 CAD

A
Cheapest Retailer
-
$8,800 CAD
$6,300 USD
A
Retailer 2
-
$9,152 CAD
$6,552 USD
View
Retailer 3
-
$9,710 CAD
$6,951 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$9,857 CAD
$7,056 USD
View
Final sale: no returns
A
Retailer 5
-
$10,183 CAD
$7,290 USD
View
A
Retailer 6
-
$10,763 CAD
$7,705 USD
View
Retailer 7
-
$10,763 CAD
$7,705 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$10,894 CAD
$7,799 USD
View
B+
Retailer 9
-
$11,547 CAD
$8,266 USD
View
B+
Retailer 10
-
$12,120 CAD
$8,676 USD
View
B+
Retailer 11
-
$12,302 CAD
HK$68,800 HKD
View
B+
Retailer 12
-
$12,810 CAD
£7,221 GBP
View
B+
Retailer 13
-
$14,562 CAD
£8,208 GBP
View
B+
Retailer 14
-
$16,165 CAD
$11,572 USD
View
B+
Retailer 15
-
$17,834 CAD
€12,159 EUR
View
B+
Retailer 16
-
$18,365 CAD
$13,147 USD
View
B+
Retailer 17
-
$21,093 CAD
$15,100 USD
View
B+
Retailer 18
-
$21,633 CAD
£12,194 GBP
View
B+
Retailer 19
-
$22,910 CAD
ZAR 264,952 ZAR
View
B
Retailer 20
-
$28,409 CAD
$20,337 USD
View
B
Retailer 21
-
$35,360 CAD
$25,313 USD
View
B
Retailer 22
-
$35,595 CAD
SGD 34,434 SGD
View
Most Expensive
B
With Clarity
831603917 · Oct 31
$38,985 CAD
$27,908 USD
View
22 more retailers have this diamond
Prices start from $8,800 CADSave up to $30,184 CAD

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
4.51ct Emerald
$8,800 CAD