Emerald|Lab Grown|IGI

1.27ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG508156174

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508156174

Diamond specifications and retailer prices

From €627 EUR
$700 USD
As of October 31, 2026
Save €1,335 EUR (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,533 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.27ct lab-grown emerald diamond

This 1.27ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156174 or 508156174. Listed at 13 retailers as of October 31, 2026, with a 213% 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

1.27
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle26.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156174
Dimensions7.56 × 5.12 × 3.23 mm
L/W Ratio1.48
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.56 mm5.12 mm1.27 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG508156174
Side View
Table 64.0%Crown 26.9°Girdle: MediumPavilion 35°Culet: LNGDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,266 EUR|Low: €627 EUR|High: €3,135 EUR|Avg: €1,282 EUR|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6€627 EUR
Retailer 9€712 EUR
Retailer 3€774 EUR
Retailer 4€796 EUR
Retailer 2€825 EUR
Retailer 10€825 EUR
Retailer 7€985 EUR
Retailer 1€1,266 EUR
Retailer 11€1,332 EUR
Retailer 8€1,962 EUR
Retailer 12€2,320 EUR
Retailer 5€3,093 EUR

44 data points across 12 retailers

13 retailers€627 EUR to €1,962 EUR

B+
Cheapest Retailer
-
€627 EUR
$700 USD
B
Retailer 2
-
€712 EUR
$795 USD
View
B
Retailer 3
-
€774 EUR
$865 USD
View
B
Retailer 4
-
€796 EUR
$889 USD
View
Final sale: no returns
B
Retailer 5
-
€825 EUR
$922 USD
View
Retailer 6
-
€825 EUR
$922 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
€985 EUR
$1,100 USD
View
B
Retailer 8
-
€1,266 EUR
£1,114 GBP
View
B
Retailer 9
-
€1,332 EUR
$1,488 USD
View
B
Retailer 10
-
€1,962 EUR
$2,192 USD
View
Retailer 11
-
€2,320 EUR
$2,592 USD
View
Price under review
Most Expensive
Reve Diamonds
026933AEC · Nov 1
€2,533 EUR
$2,829 USD
View
Price under review
11 more retailers have this diamond
Prices start from €627 EURSave up to €1,335 EUR

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+
1.27ct Emerald
€627 EUR