CaratHunter
Plans
Emerald|Lab Grown|IGI

1.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG677545917

Shape and cutting style on the report: Emerald cut

Certificate IGI LG677545917

Diamond specifications and retailer prices

From $3,030 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $3,030 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677545917 or 677545917. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677545917
Dimensions7.50 × 5.22 × 3.37 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm5.22 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677545917
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 39.6°Culet: LargeDepth 64.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,030 USD|Low: $3,030 USD|High: $3,050 USD|Avg: $3,040 USD|-0.7%
October 18, 2026
Brilliant Earth$3,030 USD

2 data points across 1 retailer

1 retailer

B
Brilliant Earth
15410400B · Oct 29
$3,030 USD
View

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
1.28ct Emerald
$3,030 USD