Oval|Lab Grown|IGI

1.00ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG788629488

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788629488

Diamond specifications and retailer prices

From $425 USD
As of October 28, 2026
Save $846 USD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,271 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788629488 or 788629488. Listed at 6 retailers as of October 28, 2026, with prices from $425 to $1,271, a $846 spread on the same certified stone. MOH London lists it at $1,271. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629488
Dimensions8.14 × 5.57 × 3.58 mm
L/W Ratio1.46
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
8.14 mm5.57 mm1.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629488
Side View
Table 57.0%Crown 32.2°Girdle: MED-STKPavilion 42.5°Culet: NoneDepth 64.3%

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 28
Current: $1,271 USD|Low: $425 USD|High: $1,280 USD|Avg: $754 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$425 USD
Retailer 5$571 USD
Retailer 2$600 USD
Retailer 4$633 USD
Retailer 6$1,066 USD
MOH London$1,271 USD

39 data points across 6 retailers

6 retailers$425 USD to $1,271 USD

A
Cheapest Retailer
-
$425 USD
B+
Retailer 2
-
$571 USD
View
B+
Retailer 3
-
$600 USD
£472 GBP
View
B+
Retailer 4
-
$633 USD
View
B
Retailer 5
-
$1,066 USD
View
Most Expensive
B
MOH London
LG788629488 · Oct 29
$1,271 USD
£1,001 GBP
View
5 more retailers have this diamond
Prices start from $425 USDSave up to $846 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
1.00ct Oval
$425 USD