Emerald|Lab Grown|IGI

1.28ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG817653522

Shape and cutting style on the report: Emerald cut

Certificate IGI LG817653522

Diamond specifications and retailer prices

From $185 USD
As of October 23, 2026
Save $1,145 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,330 USD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 1.28ct lab-grown emerald diamond

This 1.28ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817653522 or 817653522. Listed at 18 retailers as of October 23, 2026, with a 619% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817653522
Dimensions5.36 × 5.36 × 3.48 mm
L/W Ratio1.00
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.36 mm5.36 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG817653522
Side View
Table 64.0%Crown 34.6°Girdle: ThickPavilion 37.7°Culet: LargeDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $1,330 USD|Low: $146 USD|High: $1,370 USD|Avg: $620 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 3$206 USD
Retailer 11$215 USD
Retailer 12$310 USD
Retailer 7$388 USD
Retailer 6$401 USD
Retailer 2$422 USD
Retailer 10$566 USD
Retailer 8$680 USD
Retailer 5$701 USD
Retailer 9$1,078 USD
Retailer 4$1,146 USD
Brilliant Earth$1,330 USD

38 data points across 12 retailers

18 retailers$185 USD to $1,330 USD

A
Cheapest Retailer
-
$185 USD
A
Retailer 2
-
$215 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$229 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$310 USD
View
A
Retailer 5
-
$388 USD
ZAR 6,265 ZAR
View
A
Retailer 6
-
$401 USD
£315 GBP
View
B+
Retailer 7
-
$422 USD
€402 EUR
View
B+
Retailer 8
-
$475 USD
View
B+
Retailer 9
-
$566 USD
View
B
Retailer 10
-
$679 USD
View
Price last confirmed 73 days ago
B+
Retailer 11
-
$680 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$701 USD
A$1,078 AUD
View
B
Retailer 13
-
$737 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$791 USD
View
B
Retailer 15
-
$1,078 USD
£849 GBP
View
Price last confirmed 8 days ago
B
Retailer 16
-
$1,146 USD
View
B
Retailer 17
-
$1,330 USD
View
Most Expensive
B
Brilliant Earth
21125522A · Oct 12
$1,330 USD
View
Price last confirmed 17 days ago
17 more retailers have this diamond
Prices start from $185 USDSave up to $1,145 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
1.28ct Emerald
$185 USD