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Oval|Lab Grown|IGI

1.13ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG499125075

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499125075

Diamond specifications and retailer prices

From $274 USD
As of November 4, 2026
Save $1,326 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,600 USD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.13ct lab-grown oval diamond

This 1.13ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499125075 or 499125075. Listed at 10 retailers as of November 4, 2026, with prices from $274 to $1,600, a $1,326 spread on the same certified stone. Do Amore Diamonds lists it at $1,600. 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

1.13
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125075
Dimensions8.22 × 5.88 × 3.74 mm
L/W Ratio1.40
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
8.22 mm5.88 mm1.13 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125075
Side View
Table 58.5%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.6%

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: Nov 4
Current: $1,600 USD|Low: $209 USD|High: $1,600 USD|Avg: $658 USD|+4.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$209 USD
Retailer 5$274 USD
Retailer 4$368 USD
Retailer 2$409 USD
Retailer 6$528 USD
Retailer 7$908 USD
Retailer 3$1,066 USD
Do Amore Diamonds$1,600 USD

44 data points across 8 retailers

10 retailers$274 USD to $1,600 USD

Retailer 1
-
$195 USD
Price last confirmed 48 days ago
Retailer 2
-
$203 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
$274 USD
View
A
Retailer 4
-
$368 USD
View
A
Retailer 5
-
$409 USD
View
B+
Retailer 6
-
$528 USD
View
Retailer 7
-
$700 USD
View
Price last confirmed 46 days ago
B
Retailer 8
-
$908 USD
View
B
Retailer 9
-
$1,066 USD
View
Most Expensive
B
Do Amore Diamonds
27-98D11CBD4 · Nov 6
$1,600 USD
View
9 more retailers have this diamond
Prices start from $274 USDSave up to $1,326 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
1.13ct Oval
$274 USD