Emerald|Lab Grown|IGI

1.78ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG825660129

Shape and cutting style on the report: Emerald cut

Certificate IGI LG825660129

Diamond specifications and retailer prices

From $658 CAD
$471 USD
As of October 30, 2026
Save $5,412 CAD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,139 CAD at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 1.78ct lab-grown emerald diamond

This 1.78ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660129 or 825660129. Listed at 22 retailers as of October 28, 2026, with a 823% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660129
Dimensions8.10 × 5.74 × 3.91 mm
L/W Ratio1.41
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
8.10 mm5.74 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660129
Side View
Table 64.0%Crown 34.5°Girdle: MediumPavilion 40.6°Culet: LargeDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,070 CAD|Low: $658 CAD|High: $7,962 CAD|Avg: $2,682 CAD|-2.0%
Rare Carat
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
October 30, 2026
Retailer 10$658 CAD
Retailer 6$738 CAD
Retailer 7$738 CAD
Retailer 20$816 CAD
Retailer 18$1,013 CAD
Retailer 15$1,248 CAD
Retailer 9$1,275 CAD
Retailer 14$1,354 CAD
Retailer 17$1,403 CAD
Retailer 19$1,903 CAD
Retailer 4$1,978 CAD
Retailer 11$2,592 CAD
Retailer 12$2,597 CAD
Retailer 3$2,625 CAD
Retailer 5$2,666 CAD
Retailer 13$2,868 CAD
Retailer 16$3,016 CAD
Retailer 8$3,555 CAD
Retailer 2$5,560 CAD
Rare Carat$6,070 CAD

35 data points across 20 retailers

22 retailers$658 CAD to $6,070 CAD

A
Cheapest Retailer
-
$658 CAD
$471 USD
A
Retailer 2
-
$738 CAD
$528 USD
View
Final sale: no returns
A
Retailer 3
-
$738 CAD
$528 USD
View
A
Retailer 4
-
$816 CAD
$584 USD
View
Retailer 5
-
$888 CAD
$636 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,013 CAD
$725 USD
View
A
Retailer 7
-
$1,248 CAD
€851 EUR
View
A
Retailer 8
-
$1,275 CAD
$913 USD
View
A
Retailer 9
-
$1,354 CAD
£763 GBP
View
A
Retailer 10
-
$1,403 CAD
ZAR 16,226 ZAR
View
B+
Retailer 11
-
$1,903 CAD
$1,362 USD
View
B+
Retailer 12
-
$1,978 CAD
$1,416 USD
View
B+
Retailer 13
-
$2,592 CAD
SGD 2,507 SGD
View
Retailer 14
-
$2,597 CAD
£1,464 GBP
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$2,625 CAD
$1,879 USD
View
B
Retailer 16
-
$2,666 CAD
$1,908 USD
View
B+
Retailer 17
-
$2,868 CAD
$2,053 USD
View
B+
Retailer 18
-
$3,016 CAD
£1,700 GBP
View
B+
Retailer 19
-
$3,555 CAD
$2,545 USD
View
B
Retailer 20
-
$5,560 CAD
$3,980 USD
View
B
Retailer 21
-
$6,070 CAD
$4,345 USD
View
Most Expensive
Rare Carat
PD1296601JJ825 · Oct 14
$6,139 CAD
$4,395 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from $658 CADSave up to $5,412 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
1.78ct Emerald
$658 CAD