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Oval|Lab Grown|IGI

1.00ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG839601899

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839601899

Diamond specifications and retailer prices

From $218 USD
As of October 28, 2026
Save $1,700 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,918 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839601899 or 839601899. Listed at 18 retailers as of October 27, 2026, with prices from $218 to $1,918, a $1,700 spread on the same certified stone. Queensmith lists it at $1,918. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839601899
Dimensions8.17 × 5.56 × 3.51 mm
L/W Ratio1.47
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
8.17 mm5.56 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839601899
Side View
Table 56.0%Crown 33.8°Girdle: THN-STKPavilion 41.1°Culet: NoneDepth 63.1%

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 28
Current: $1,918 USD|Low: $214 USD|High: $1,918 USD|Avg: $698 USD
Queensmith
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
October 30, 2026
Retailer 4$218 USD
Retailer 5$243 USD
Retailer 14$243 USD
Retailer 10$258 USD
Retailer 11$417 USD
Retailer 7$422 USD
Retailer 3$424 USD
Retailer 2$443 USD
Retailer 16$550 USD
Retailer 12$592 USD
Retailer 15$626 USD
Retailer 6$834 USD
Retailer 13$994 USD
Retailer 9$1,140 USD
Retailer 8$1,480 USD
Queensmith$1,918 USD

31 data points across 16 retailers

18 retailers$218 USD to $1,918 USD

Retailer 1
-
$185 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$218 USD
View
Final sale: no returns
Retailer 3
-
$239 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$239 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$243 USD
View
A
Retailer 6
-
$243 USD
View
A
Retailer 7
-
$258 USD
£203 GBP
View
A
Retailer 8
-
$417 USD
ZAR 6,731 ZAR
View
A
Retailer 9
-
$424 USD
View
A
Retailer 10
-
$443 USD
£349 GBP
View
B+
Retailer 11
-
$550 USD
View
B+
Retailer 12
-
$592 USD
A$911 AUD
View
B+
Retailer 13
-
$626 USD
View
B+
Retailer 14
-
$834 USD
View
B+
Retailer 15
-
$994 USD
A$1,529 AUD
View
B
Retailer 16
-
$1,140 USD
£898 GBP
View
B
Retailer 17
-
$1,480 USD
View
Most Expensive
B
Queensmith
LG839601899 · Oct 27
$1,918 USD
£1,510 GBP
View
17 more retailers have this diamond
Prices start from $218 USDSave up to $1,700 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
$218 USD