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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG821667302

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821667302

Diamond specifications and retailer prices

From $139 USD
As of November 6, 2026
Save $860 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $999 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 LG821667302 or 821667302. Listed at 16 retailers as of November 4, 2026, with prices from $139 to $999, a $860 spread on the same certified stone. Reve Diamonds lists it at $999. 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 angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821667302
Dimensions6.76 × 4.73 × 3.26 mm
L/W Ratio1.43
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
6.76 mm4.73 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821667302
Side View
Table 66.0%Crown 34.5°Girdle: MediumPavilion 40.6°Culet: LargeDepth 68.9%

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: Nov 6
Current: $291 USD|Low: $131 USD|High: $1,424 USD|Avg: $426 USD|+5.1%
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
Reve Diamonds
November 6, 2026
Retailer 3$139 USD
Retailer 14$161 USD
Retailer 10$167 USD
Retailer 7$169 USD
Retailer 12$172 USD
Retailer 1$291 USD
Retailer 5$296 USD
Retailer 15$322 USD
Retailer 2$327 USD
Retailer 9$410 USD
Retailer 11$450 USD
Retailer 13$554 USD
Retailer 4$609 USD
Retailer 6$740 USD
Retailer 8$803 USD
Reve Diamonds$999 USD

44 data points across 16 retailers

16 retailers$139 USD to $999 USD

A
Cheapest Retailer
-
$139 USD
A
Retailer 2
-
$161 USD
View
A
Retailer 3
-
$167 USD
View
Final sale: no returns
Retailer 4
-
$169 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$172 USD
View
A
Retailer 6
-
$291 USD
View
Retailer 7
-
$296 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$322 USD
View
A
Retailer 9
-
$327 USD
View
B+
Retailer 10
-
$410 USD
View
B+
Retailer 11
-
$450 USD
View
B
Retailer 12
-
$554 USD
View
B
Retailer 13
-
$609 USD
View
Retailer 14
-
$740 USD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$803 USD
View
Most Expensive
B
Reve Diamonds
E17B59513 · Nov 4
$999 USD
View
15 more retailers have this diamond
Prices start from $139 USDSave up to $860 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
1.00ct Emerald
$139 USD