Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

GD • D/SI1 • IGI LG588352144

Shape and cutting style on the report: Emerald cut

Certificate IGI LG588352144

Diamond specifications and retailer prices

From $164 USD
As of October 28, 2026
Save $692 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $856 USD at MOH London · As of October 29, 2026
View at MOH London

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 standard cut grade and certified by IGI LG588352144 or 588352144. Listed at 20 retailers as of October 28, 2026, with prices from $164 to $856, a $692 spread on the same certified stone. MOH London lists it at $856. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588352144
Dimensions6.66 × 4.77 × 3.10 mm
L/W Ratio1.40
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
6.66 mm4.77 mm1.00 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588352144
Side View
Table 64.0%Crown 33.3°Girdle: Slightly ThickPavilion 38.8°Culet: LNGDepth 65.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $856 USD|Low: $116 USD|High: $970 USD|Avg: $411 USD|+0.4%
MOH London
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
Retailer 16
October 29, 2026
Retailer 3$147 USD
Retailer 13$164 USD
Retailer 15$170 USD
Retailer 4$180 USD
Retailer 12$258 USD
Retailer 2$314 USD
Retailer 9$323 USD
Retailer 10$346 USD
Retailer 5$365 USD
Retailer 16$426 USD
Retailer 8$496 USD
Retailer 7$523 USD
Retailer 14$585 USD
Retailer 11$618 USD
MOH London$856 USD
Retailer 6$970 USD

41 data points across 16 retailers

20 retailers$164 USD to $856 USD

Retailer 1
-
$141 USD
Price last confirmed 27 days ago
Retailer 2
-
$147 USD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
$164 USD
View
Final sale: no returns
Retailer 4
-
$170 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$170 USD
View
Price last confirmed 16 days ago
Retailer 6
-
$180 USD
View
Price last confirmed 30 days ago
B+
Retailer 7
-
$182 USD
View
Retailer 8
-
$182 USD
View
Price last confirmed 19 days ago
B+
Retailer 9
-
$218 USD
HK$1,700 HKD
View
B
Retailer 10
-
$258 USD
View
B+
Retailer 11
-
$314 USD
£247 GBP
View
B+
Retailer 12
-
$323 USD
€308 EUR
View
B+
Retailer 13
-
$346 USD
£272 GBP
View
B+
Retailer 14
-
$365 USD
View
B
Retailer 15
-
$426 USD
View
B
Retailer 16
-
$523 USD
SGD 707 SGD
View
Retailer 17
-
$585 USD
View
Price last confirmed 29 days ago
Retailer 18
-
$585 USD
View
Price last confirmed 19 days ago
B
Retailer 19
-
$618 USD
View
Most Expensive
B
MOH London
LG588352144 · Oct 29
$856 USD
£674 GBP
View
19 more retailers have this diamond
Prices start from $164 USDSave up to $692 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.

B+
1.00ct Emerald
$164 USD