Emerald|Lab Grown|IGI

0.99ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG691541093

Shape and cutting style on the report: Emerald cut

Certificate IGI LG691541093

Diamond specifications and retailer prices

From $460 USD
As of October 28, 2026
Save $15 USD (3%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $499 USD at Rare Carat · As of August 9, 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 top-tier cut grade and certified by IGI LG691541093 or 691541093. Listed at 22 retailers as of October 28, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.99
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691541093
Dimensions6.75 × 4.73 × 3.18 mm
L/W Ratio1.43
Culet sizeLarge
Top View
6.75 mm4.73 mm0.99 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691541093
Side View
Table 66.0%Crown 35.6°Girdle: MediumPavilion 39.3°Culet: LargeDepth 67.2%

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: $460 USD|Low: $460 USD|High: $480 USD|Avg: $471 USD|-4.2%
October 28, 2026
Rare Carat$460 USD

4 data points across 1 retailer

22 retailers$460 USD to $475 USD

B+
Retailer 1
-
$448 USD
Price last confirmed 73 days ago
B+
Retailer 2
-
$454 USD
View
Price last confirmed 50 days ago
B+
Retailer 3
-
$458 USD
View
Price last confirmed 73 days ago
B+
Retailer 4
-
$460 USD
View
B+
Retailer 5
-
$470 USD
View
B+
Retailer 6
-
$470 USD
View
B+
Retailer 7
-
$470 USD
View
B+
Retailer 8
-
$470 USD
View
B+
Retailer 9
-
$470 USD
View
B+
Retailer 10
-
$470 USD
View
B+
Retailer 11
-
$470 USD
View
B+
Retailer 12
-
$470 USD
View
B+
Retailer 13
-
$470 USD
View
B+
Retailer 14
-
$470 USD
View
B+
Retailer 15
-
$475 USD
View
B+
Retailer 16
-
$475 USD
View
B+
Retailer 17
-
$475 USD
View
B+
Retailer 18
-
$475 USD
View
B
Retailer 19
-
$499 USD
View
Price last confirmed 80 days ago
B
Retailer 20
-
$499 USD
View
Price last confirmed 80 days ago
B
Retailer 21
-
$499 USD
View
Price last confirmed 80 days ago
Most Expensive
B
Rare Carat
16287 · Aug 9
$499 USD
View
Price last confirmed 80 days ago
21 more retailers have this diamond
Prices start from $460 USDSave up to $15 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
$460 USD