Emerald|Lab Grown|IGI

0.99ct D SI1 Emerald Lab Grown Diamond

GD • D/SI1 • IGI LG652474369

Shape and cutting style on the report: Emerald cut

Certificate IGI LG652474369

Diamond specifications and retailer prices

From $425 USD
As of October 28, 2026
Save $50 USD (11%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $475 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 0.99ct lab-grown emerald diamond

This 0.99ct lab-grown emerald sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG652474369 or 652474369. Listed at 14 retailers as of October 28, 2026, with a relatively tight 12% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.99
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652474369
Dimensions6.49 × 4.78 × 3.30 mm
L/W Ratio1.36
Culet sizeLarge
Top View
6.49 mm4.78 mm0.99 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652474369
Side View
Table 60.0%Crown 34.2°Girdle: Slightly ThickPavilion 41°Culet: LargeDepth 69.0%

Caratlytics Score

How it works →
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: $470 USD|Low: $470 USD|High: $480 USD|Avg: $475 USD|-2.1%
October 18, 2026
Rare Carat$470 USD

3 data points across 1 retailer

14 retailers$425 USD to $475 USD

B+
Cheapest Retailer
-
$425 USD
B
Retailer 2
-
$470 USD
View
B
Retailer 3
-
$470 USD
View
B
Retailer 4
-
$470 USD
View
B
Retailer 5
-
$470 USD
View
B
Retailer 6
-
$470 USD
View
B
Retailer 7
-
$475 USD
View
B
Retailer 8
-
$475 USD
View
B
Retailer 9
-
$475 USD
View
B
Retailer 10
-
$475 USD
View
B
Retailer 11
-
$475 USD
View
B
Retailer 12
-
$475 USD
View
B
Retailer 13
-
$475 USD
View
Most Expensive
B
Rare Carat
16276_l_564354867 · Oct 28
$475 USD
View
13 more retailers have this diamond
Prices start from $425 USDSave up to $50 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+
0.99ct Emerald
$425 USD