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Emerald|Lab Grown|IGI

1.00ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG687545025

Shape and cutting style on the report: Emerald cut

Certificate IGI LG687545025

Diamond specifications and retailer prices

From $165 USD
As of November 6, 2026
Save $918 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,083 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG687545025 or 687545025. Listed at 17 retailers as of November 4, 2026, with prices from $165 to $1,083, a $918 spread on the same certified stone. Reve Diamonds lists it at $1,083. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687545025
Dimensions6.71 × 4.75 × 3.24 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
6.71 mm4.75 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687545025
Side View
Table 64.0%Crown 34.7°Girdle: MediumPavilion 39.8°Culet: LargeDepth 68.2%

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: Nov 6
Current: $359 USD|Low: $157 USD|High: $1,083 USD|Avg: $462 USD|+4.7%
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
Reve Diamonds
November 6, 2026
Retailer 4$165 USD
Retailer 13$185 USD
Retailer 10$192 USD
Retailer 2$205 USD
Retailer 6$205 USD
Retailer 1$359 USD
Retailer 9$368 USD
Retailer 14$368 USD
Retailer 11$435 USD
Retailer 12$446 USD
Retailer 3$659 USD
Retailer 8$696 USD
Retailer 5$713 USD
Retailer 7$955 USD
Reve Diamonds$1,083 USD

46 data points across 15 retailers

17 retailers$165 USD to $1,083 USD

Retailer 1
-
$164 USD
Price last confirmed 45 days ago
A
Retailer 2
-
$165 USD
View
A
Retailer 3
-
$185 USD
View
Final sale: no returns
A
Retailer 4
-
$192 USD
View
Retailer 5
-
$205 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$205 USD
View
B+
Retailer 7
-
$359 USD
View
B+
Retailer 8
-
$368 USD
View
Retailer 9
-
$368 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$435 USD
View
B+
Retailer 11
-
$446 USD
View
B
Retailer 12
-
$542 USD
View
B
Retailer 13
-
$659 USD
View
B
Retailer 14
-
$696 USD
View
B
Retailer 15
-
$713 USD
View
B
Retailer 16
-
$955 USD
View
Most Expensive
B
Reve Diamonds
12EC71875 · Nov 4
$1,083 USD
View
16 more retailers have this diamond
Prices start from $165 USDSave up to $918 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
$165 USD