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Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG522239116

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG522239116

Diamond specifications and retailer prices

From $242 USD
As of October 26, 2026
Save $978 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,220 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522239116 or 522239116. Listed at 18 retailers as of October 26, 2026, with prices from $242 to $1,220, a $978 spread on the same certified stone. Brilliant Earth lists it at $1,220. 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

1.58
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522239116
Dimensions9.27 × 6.59 × 4.18 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
9.27 mm6.59 mm1.58 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522239116
Side View
Table 60.5%Crown 36.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

Caratlytics Score

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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 26
Current: $1,220 USD|Low: $193 USD|High: $1,260 USD|Avg: $628 USD|-3.2%
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
October 29, 2026
Retailer 10$242 USD
Retailer 4$281 USD
Retailer 9$281 USD
Retailer 14$301 USD
Retailer 3$425 USD
Retailer 8$502 USD
Retailer 6$546 USD
Retailer 5$554 USD
Retailer 2$568 USD
Retailer 7$660 USD
Retailer 11$935 USD
Retailer 12$967 USD
Retailer 15$970 USD
Retailer 13$1,212 USD
Brilliant Earth$1,220 USD

43 data points across 15 retailers

18 retailers$242 USD to $1,220 USD

A
Cheapest Retailer
-
$242 USD
A
Retailer 2
-
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$281 USD
View
A
Retailer 4
-
$301 USD
View
A
Retailer 5
-
$346 USD
HK$2,700 HKD
View
B+
Retailer 6
-
$425 USD
View
A
Retailer 7
-
$502 USD
€478 EUR
View
B+
Retailer 8
-
$546 USD
View
B+
Retailer 9
-
$554 USD
View
B+
Retailer 10
-
$568 USD
£448 GBP
View
B+
Retailer 11
-
$660 USD
View
B
Retailer 12
-
$935 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$967 USD
View
B
Retailer 14
-
$970 USD
View
B
Retailer 15
-
$1,018 USD
SGD 1,375 SGD
View
B
Retailer 16
-
$1,018 USD
View
B
Retailer 17
-
$1,212 USD
£954 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
5665635A · Oct 29
$1,220 USD
View
17 more retailers have this diamond
Prices start from $242 USDSave up to $978 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
1.58ct Oval
$242 USD