Oval|Lab Grown|IGI

1.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG455035813

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG455035813

Diamond specifications and retailer prices

From $910 USD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $2,208 USD at NZ Jewellers · As of October 18, 2026
View at NZ Jewellers

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455035813 or 455035813. Listed at 11 retailers as of October 29, 2026. 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

1.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455035813
Dimensions7.42 × 5.62 × 3.63 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Top View
7.42 mm5.62 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455035813
Side View
Table 58.0%Crown 37.4°Girdle: ThickPavilion 40.3°Culet: NoneDepth 64.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $910 USD|Low: $495 USD|High: $3,353 USD|Avg: $1,138 USD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 21, 2026
Retailer 3$495 USD
Retailer 7$677 USD
Retailer 11$757 USD
Retailer 2$785 USD
Retailer 9$785 USD
Retailer 1$910 USD
Retailer 8$910 USD
Retailer 4$1,255 USD
Retailer 10$1,279 USD
Retailer 6$2,006 USD
Retailer 5$3,326 USD

34 data points across 11 retailers

11 retailers

B+
Retailer 1
-
$677 USD
Price last confirmed 10 days ago
B
Retailer 2
-
$737 USD
View
Price last confirmed 15 days ago
B
Retailer 3
-
$785 USD
View
Price last confirmed 13 days ago
B
Retailer 4
-
$785 USD
View
Price last confirmed 10 days ago
B
Retailer 5
-
$910 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$910 USD
View
B
Retailer 7
-
$1,255 USD
£988 GBP
View
Price last confirmed 9 days ago
B
Retailer 8
-
$1,279 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$2,006 USD
View
Price under review
Most Expensive
B
NZ Jewellers
96829a4d-9ad9-4fea-90df-8858535ec713 · Oct 18
$2,208 USD
View
Price under review
9 more retailers have this diamond
Prices start from $910 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.

B+
1.00ct Oval
$910 USD