CaratHunter
Plans
Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG523291787

Shape and cutting style on the report: Emerald cut

Certificate IGI LG523291787

Diamond specifications and retailer prices

From $197 CAD
$141 USD
As of October 29, 2026
Save $954 CAD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,316 CAD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523291787 or 523291787. Listed at 17 retailers as of October 29, 2026, with a 484% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523291787
Dimensions6.56 × 4.86 × 3.22 mm
L/W Ratio1.35
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
6.56 mm4.86 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523291787
Side View
Table 69.0%Crown 29.3°Girdle: MediumPavilion 44.2°Culet: LNGDepth 66.3%

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 29
Current: $1,316 CAD|Low: $190 CAD|High: $1,358 CAD|Avg: $545 CAD|-3.1%
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
October 30, 2026
Retailer 10$197 CAD
Retailer 4$221 CAD
Retailer 11$245 CAD
Retailer 12$245 CAD
Retailer 3$333 CAD
Retailer 2$420 CAD
Retailer 5$462 CAD
Retailer 8$466 CAD
Retailer 6$469 CAD
Retailer 13$588 CAD
Retailer 9$833 CAD
Retailer 7$1,152 CAD
Brilliant Earth$1,316 CAD

44 data points across 13 retailers

17 retailers$197 CAD to $1,152 CAD

A
Cheapest Retailer
-
$197 CAD
$141 USD
A
Retailer 2
-
$221 CAD
$158 USD
View
Final sale: no returns
A
Retailer 3
-
$230 CAD
$164 USD
View
A
Retailer 4
-
$245 CAD
$175 USD
View
A
Retailer 5
-
$245 CAD
$175 USD
View
B+
Retailer 6
-
$333 CAD
$238 USD
View
A
Retailer 7
-
$420 CAD
£236 GBP
View
B+
Retailer 8
-
$462 CAD
$330 USD
View
A
Retailer 9
-
$466 CAD
£262 GBP
View
B+
Retailer 10
-
$469 CAD
€319 EUR
View
B+
Retailer 11
-
$588 CAD
$420 USD
View
B+
Retailer 12
-
$722 CAD
£406 GBP
View
B+
Retailer 13
-
$788 CAD
$563 USD
View
B
Retailer 14
-
$833 CAD
$595 USD
View
B
Retailer 15
-
$866 CAD
$619 USD
View
B
Retailer 16
-
$1,152 CAD
£648 GBP
View
Most Expensive
Brilliant Earth
16211415A · Oct 15
$1,316 CAD
$940 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from $197 CADSave up to $954 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
1.00ct Emerald
$197 CAD