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Oval|Lab Grown|IGI

1.16ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG500148395

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG500148395

Diamond specifications and retailer prices

From $279 USD
As of November 1, 2026
Save $1,361 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,640 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.16ct lab-grown oval diamond

This 1.16ct 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 LG500148395 or 500148395. Listed at 11 retailers as of November 1, 2026, with prices from $279 to $1,640, a $1,361 spread on the same certified stone. Do Amore Diamonds lists it at $1,640. 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

1.16
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500148395
Dimensions8.30 × 5.93 × 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
8.30 mm5.93 mm1.16 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500148395
Side View
Table 58.5%Crown 35.1°Girdle: MED-STKPavilion 40.6°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: Nov 1
Current: $1,640 USD|Low: $214 USD|High: $1,640 USD|Avg: $659 USD|+5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 9$214 USD
Retailer 5$279 USD
Retailer 4$376 USD
Retailer 2$424 USD
Retailer 6$534 USD
Retailer 8$545 USD
Retailer 7$924 USD
Retailer 3$1,093 USD
Do Amore Diamonds$1,640 USD

42 data points across 9 retailers

11 retailers$279 USD to $1,640 USD

Retailer 1
-
$199 USD
Price last confirmed 48 days ago
Retailer 2
-
$208 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
$279 USD
View
A
Retailer 4
-
$376 USD
View
A
Retailer 5
-
$424 USD
View
B+
Retailer 6
-
$534 USD
View
Retailer 7
-
$545 USD
View
Price last confirmed 16 days ago
Retailer 8
-
$716 USD
View
Price last confirmed 46 days ago
B
Retailer 9
-
$924 USD
View
B
Retailer 10
-
$1,093 USD
View
Most Expensive
B
Do Amore Diamonds
27-1E235B545 · Nov 2
$1,640 USD
View
10 more retailers have this diamond
Prices start from $279 USDSave up to $1,361 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
1.16ct Oval
$279 USD