Emerald|Lab Grown|IGI

1.28ct D FL Emerald Lab Grown Diamond

VG • D/FL • IGI LG831684177

Certificate IGI LG831684177

Diamond specifications and retailer prices

From $299 USD
As of October 30, 2026
Save $1,209 USD (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,508 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG831684177 or 831684177. Listed at 6 retailers as of October 30, 2026, with prices from $299 to $1,508, a $1,209 spread on the same certified stone. Reve Diamonds lists it at $1,508. 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

1.28
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG831684177
Dimensions7.21 × 5.09 × 3.53 mm
L/W Ratio1.42
Top View
7.21 mm5.09 mm1.28 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831684177
Side View
Table 65.0%CrownGirdle: MediumPavilionCulet: LargeDepth 69.4%

Caratlytics Score

How it works →
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: $498 USD|Low: $299 USD|High: $1,508 USD|Avg: $824 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Reve Diamonds
October 30, 2026
Retailer 4$299 USD
Retailer 2$333 USD
Retailer 1$498 USD
Retailer 3$657 USD
Retailer 5$1,238 USD
Reve Diamonds$1,508 USD

2 data points across 6 retailers

6 retailers$299 USD to $1,508 USD

A
Cheapest Retailer
-
$299 USD
A
Retailer 2
-
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$498 USD
View
B+
Retailer 4
-
$657 USD
£517 GBP
View
B
Retailer 5
-
$1,238 USD
View
Most Expensive
B
Reve Diamonds
2836C2113 · Oct 30
$1,508 USD
View
5 more retailers have this diamond
Prices start from $299 USDSave up to $1,209 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
$299 USD