Round|Lab Grown|IGI

1.25ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836610431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836610431

Diamond specifications and retailer prices

From $288 USD
As of October 29, 2026
Save $1,492 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,780 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG836610431 or 836610431. Listed at 18 retailers as of October 28, 2026, with prices from $288 to $1,780, a $1,492 spread on the same certified stone. Brilliant Earth lists it at $1,780. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836610431
Dimensions6.88 × 6.93 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.88 mm6.93 mm1.25 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836610431
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.1%

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: $1,780 USD|Low: $288 USD|High: $1,780 USD|Avg: $799 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 11$288 USD
Retailer 16$322 USD
Retailer 8$335 USD
Retailer 7$358 USD
Retailer 17$505 USD
Retailer 4$515 USD
Retailer 14$581 USD
Retailer 12$586 USD
Retailer 18$614 USD
Retailer 2$631 USD
Retailer 15$682 USD
Retailer 5$707 USD
Retailer 9$799 USD
Retailer 6$1,150 USD
Retailer 10$1,199 USD
Retailer 13$1,441 USD
Retailer 3$1,476 USD
Brilliant Earth$1,780 USD

4 data points across 18 retailers

18 retailers$288 USD to $1,780 USD

A
Cheapest Retailer
-
$288 USD
A
Retailer 2
-
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$335 USD
View
A
Retailer 4
-
$358 USD
View
A
Retailer 5
-
$505 USD
View
A
Retailer 6
-
$515 USD
View
A
Retailer 7
-
$581 USD
£457 GBP
View
A
Retailer 8
-
$586 USD
€558 EUR
View
A
Retailer 9
-
$614 USD
ZAR 9,927 ZAR
View
A
Retailer 10
-
$631 USD
£497 GBP
View
A
Retailer 11
-
$682 USD
View
A
Retailer 12
-
$707 USD
View
B+
Retailer 13
-
$799 USD
View
B+
Retailer 14
-
$1,150 USD
View
B+
Retailer 15
-
$1,199 USD
View
B
Retailer 16
-
$1,441 USD
£1,135 GBP
View
B
Retailer 17
-
$1,476 USD
View
Most Expensive
B
Brilliant Earth
22318782A · Oct 28
$1,780 USD
View
17 more retailers have this diamond
Prices start from $288 USDSave up to $1,492 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
$288 USD