Round|Lab Grown|IGI

1.25ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG818671134

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818671134

Diamond specifications and retailer prices

From $657 USD
€626 EUR
As of October 29, 2026
Save $1,017 USD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,674 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818671134 or 818671134. Listed at 6 retailers as of October 29, 2026, with prices from $657 to $1,674, a $1,017 spread on the same certified stone. MOH London lists it at $1,674. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671134
Dimensions6.88 × 6.83 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.88 mm6.83 mm1.25 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671134
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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 29
Current: $1,674 USD|Low: $645 USD|High: $1,685 USD|Avg: $958 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$657 USD
Retailer 4$671 USD
Retailer 6$723 USD
Retailer 2$740 USD
Retailer 5$1,379 USD
MOH London$1,674 USD

38 data points across 6 retailers

6 retailers$657 USD to $1,674 USD

A
Cheapest Retailer
-
$657 USD
€626 EUR
A
Retailer 2
-
$671 USD
View
A
Retailer 3
-
$723 USD
View
A
Retailer 4
-
$740 USD
£583 GBP
View
B
Retailer 5
-
$1,379 USD
View
Most Expensive
B
MOH London
LG818671134 · Oct 29
$1,674 USD
£1,318 GBP
View
5 more retailers have this diamond
Prices start from $657 USDSave up to $1,017 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
1.25ct Round
$657 USD