Emerald|Lab Grown|IGI

1.09ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG777621405

Shape and cutting style on the report: Emerald cut

Certificate IGI LG777621405

Diamond specifications and retailer prices

From $183 USD
As of October 30, 2026
Save $1,577 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,840 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown emerald diamond

This 1.09ct 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 LG777621405 or 777621405. Listed at 17 retailers as of October 30, 2026, with a 862% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777621405
Dimensions7.02 × 4.82 × 3.20 mm
L/W Ratio1.46
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
7.02 mm4.82 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777621405
Side View
Table 64.0%Crown 29.6°Girdle: MediumPavilion 40°Culet: LargeDepth 66.4%

Caratlytics Score

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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: Oct 30
Current: $1,840 USD|Low: $133 USD|High: $1,840 USD|Avg: $597 USD
Do Amore Diamonds
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
November 1, 2026
Retailer 7$133 USD
Retailer 12$183 USD
Retailer 5$204 USD
Retailer 3$213 USD
Retailer 14$227 USD
Retailer 16$227 USD
Retailer 6$308 USD
Retailer 9$461 USD
Retailer 13$505 USD
Retailer 4$545 USD
Retailer 11$772 USD
Retailer 15$807 USD
Retailer 10$1,050 USD
Retailer 8$1,142 USD
Retailer 2$1,173 USD
Do Amore Diamonds$1,840 USD

44 data points across 16 retailers

17 retailers$183 USD to $1,760 USD

A
Cheapest Retailer
-
$183 USD
A
Retailer 2
-
$204 USD
View
Final sale: no returns
A
Retailer 3
-
$213 USD
View
A
Retailer 4
-
$227 USD
View
Retailer 5
-
$227 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$308 USD
View
B+
Retailer 7
-
$461 USD
£363 GBP
View
B+
Retailer 8
-
$505 USD
View
B+
Retailer 9
-
$545 USD
View
B
Retailer 10
-
$772 USD
View
B
Retailer 11
-
$807 USD
View
B
Retailer 12
-
$980 USD
View
B
Retailer 13
-
$1,050 USD
View
B
Retailer 14
-
$1,142 USD
View
B
Retailer 15
-
$1,173 USD
£924 GBP
View
B
Retailer 16
-
$1,760 USD
View
Most Expensive
Do Amore Diamonds
23-777621405 · Oct 31
$1,840 USD
View
Price under review
16 more retailers have this diamond
Prices start from $183 USDSave up to $1,577 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
1.09ct Emerald
$183 USD