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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 $406 AUD
As of November 1, 2026
Save $1,981 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,387 AUD 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 $406 to $2,387, a $1,981 spread on the same certified stone. Do Amore Diamonds lists it at $2,387. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,387 AUD|Low: $311 AUD|High: $2,387 AUD|Avg: $960 AUD|+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$311 AUD
Retailer 5$406 AUD
Retailer 4$547 AUD
Retailer 2$617 AUD
Retailer 6$777 AUD
Retailer 8$793 AUD
Retailer 7$1,345 AUD
Retailer 3$1,591 AUD
Do Amore Diamonds$2,387 AUD

42 data points across 9 retailers

11 retailers$406 AUD to $2,387 AUD

Retailer 1
-
$290 AUD
Price last confirmed 48 days ago
Retailer 2
-
$303 AUD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
$406 AUD
View
A
Retailer 4
-
$547 AUD
View
A
Retailer 5
-
$617 AUD
View
B+
Retailer 6
-
$777 AUD
View
Retailer 7
-
$793 AUD
View
Price last confirmed 16 days ago
Retailer 8
-
$1,042 AUD
View
Price last confirmed 46 days ago
B
Retailer 9
-
$1,345 AUD
View
B
Retailer 10
-
$1,591 AUD
View
Most Expensive
B
Do Amore Diamonds
27-1E235B545 · Nov 2
$2,387 AUD
$1,640 USD
View
10 more retailers have this diamond
Prices start from $406 AUDSave up to $1,981 AUD

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
$406 AUD