Emerald|Lab Grown|IGI

1.03ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG591316611

Shape and cutting style on the report: Emerald cut

Certificate IGI LG591316611

Diamond specifications and retailer prices

From $145 USD
As of November 6, 2026
Save $872 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,017 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.03ct lab-grown emerald diamond

This 1.03ct 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 LG591316611 or 591316611. Listed at 17 retailers as of November 4, 2026, with prices from $145 to $1,017, a $872 spread on the same certified stone. Reve Diamonds lists it at $1,017. 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

1.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591316611
Dimensions6.64 × 4.77 × 3.24 mm
L/W Ratio1.39
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
6.64 mm4.77 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591316611
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 38.8°Culet: LNGDepth 67.9%

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: $306 USD|Low: $139 USD|High: $848 USD|Avg: $369 USD|+3.7%
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
Retailer 15
November 6, 2026
Retailer 13$145 USD
Retailer 6$161 USD
Retailer 4$168 USD
Retailer 3$179 USD
Retailer 15$179 USD
Retailer 11$242 USD
Retailer 1$306 USD
Retailer 10$307 USD
Retailer 7$339 USD
Retailer 12$340 USD
Retailer 9$429 USD
Retailer 5$500 USD
Retailer 2$577 USD
Retailer 14$820 USD
Retailer 8$838 USD

44 data points across 15 retailers

17 retailers$145 USD to $1,017 USD

A
Cheapest Retailer
-
$145 USD
A
Retailer 2
-
$161 USD
View
Final sale: no returns
A
Retailer 3
-
$168 USD
View
A
Retailer 4
-
$179 USD
View
Retailer 5
-
$179 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$242 USD
View
A
Retailer 7
-
$306 USD
View
Retailer 8
-
$307 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$339 USD
View
A
Retailer 10
-
$340 USD
View
B+
Retailer 11
-
$429 USD
View
B
Retailer 12
-
$500 USD
View
B
Retailer 13
-
$577 USD
View
B
Retailer 14
-
$632 USD
View
Retailer 15
-
$820 USD
View
Price last confirmed 19 days ago
B
Retailer 16
-
$838 USD
View
Most Expensive
B
Reve Diamonds
B2DB13021 · Nov 4
$1,017 USD
View
16 more retailers have this diamond
Prices start from $145 USDSave up to $872 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
1.03ct Emerald
$145 USD