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Oval|Lab Grown|IGI

1.00ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG494173842

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG494173842

Diamond specifications and retailer prices

From $602 USD
As of November 5, 2026
Save $1,249 USD (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,962 USD at NZ Jewellers · As of November 5, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494173842 or 494173842. Listed at 11 retailers as of November 4, 2026, with a 207% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494173842
Dimensions8.10 × 5.52 × 3.47 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.10 mm5.52 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494173842
Side View
Table 55.0%Crown 33.3°Girdle: THK-VTKPavilion 40.7°Culet: NoneDepth 62.9%

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: Nov 5
Current: $1,155 USD|Low: $602 USD|High: $3,277 USD|Avg: $1,399 USD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$602 USD
Retailer 3$840 USD
Retailer 4$875 USD
Retailer 7$1,144 USD
Retailer 1$1,155 USD
Retailer 5$1,851 USD
Retailer 2$3,229 USD

42 data points across 7 retailers

11 retailers$602 USD to $1,851 USD

B+
Cheapest Retailer
-
$602 USD
B+
Retailer 2
-
$674 USD
View
Retailer 3
-
$746 USD
View
Price last confirmed 21 days ago
B
Retailer 4
-
$746 USD
View
B
Retailer 5
-
$840 USD
View
B
Retailer 6
-
$875 USD
View
B
Retailer 7
-
$1,144 USD
View
B
Retailer 8
-
$1,155 USD
View
B
Retailer 9
-
$1,851 USD
View
Most Expensive
NZ Jewellers
af8f2b42-60be-424e-ab2b-be8172f7c613 · Nov 5
$1,962 USD
View
Price under review
9 more retailers have this diamond
Prices start from $602 USDSave up to $1,249 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
$602 USD