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Emerald|Lab Grown|IGI

1.87ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG843679256

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843679256

Diamond specifications and retailer prices

From $334 USD
As of October 30, 2026
Save $3,446 USD (91%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,780 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.87ct lab-grown emerald diamond

This 1.87ct 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 LG843679256 or 843679256. Listed at 9 retailers as of October 30, 2026, with prices from $334 to $3,780, a $3,446 spread on the same certified stone. Brilliant Earth lists it at $3,780. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843679256
Dimensions8.54 × 5.67 × 3.81 mm
L/W Ratio1.51
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
8.54 mm5.67 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843679256
Side View
Table 63.0%Crown 32.6°Girdle: MediumPavilion 39.8°Culet: LargeDepth 67.2%

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 30
Current: $3,780 USD|Low: $334 USD|High: $4,320 USD|Avg: $1,702 USD|-12.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$334 USD
Retailer 9$503 USD
Retailer 2$520 USD
Retailer 3$647 USD
Retailer 5$938 USD
Retailer 7$1,401 USD
Retailer 4$2,610 USD
Retailer 8$2,910 USD
Brilliant Earth$3,780 USD

4 data points across 9 retailers

9 retailers$334 USD to $3,780 USD

A
Cheapest Retailer
-
$334 USD
Final sale: no returns
B+
Retailer 2
-
$503 USD
View
A
Retailer 3
-
$520 USD
View
A
Retailer 4
-
$647 USD
€616 EUR
View
A
Retailer 5
-
$938 USD
A$1,443 AUD
View
B+
Retailer 6
-
$1,401 USD
View
B
Retailer 7
-
$2,610 USD
View
B
Retailer 8
-
$2,910 USD
View
Most Expensive
B
Brilliant Earth
22328151Y · Oct 30
$3,780 USD
View
8 more retailers have this diamond
Prices start from $334 USDSave up to $3,446 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
1.87ct Emerald
$334 USD