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Oval|Lab Grown|IGI

0.77ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG451064147

Certificate IGI LG451064147

Diamond specifications and retailer prices

From $662 AUD
$465 USD
As of October 31, 2026
Save $662 AUD (50%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,324 AUD at Jared · As of October 30, 2026
View at Jared

About this 0.77ct lab-grown oval diamond

This 0.77ct lab-grown oval sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451064147 or 451064147. Listed at 2 retailers as of October 30, 2026, with prices from $662 to $1,324, a $662 spread on the same certified stone. Jared lists it at $1,324. 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

0.77
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG451064147
Dimensions7.20 × 5.27 × 3.27 mm
L/W Ratio1.37
Top View
7.20 mm5.27 mm0.77 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451064147
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $1,324 AUD|Low: $662 AUD|High: $1,367 AUD|Avg: $1,014 AUD|+36.8%
Jared
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 2$662 AUD
Retailer 3$883 AUD
Jared$1,324 AUD
Retailer 4$1,367 AUD

2 data points across 4 retailers

2 retailers$662 AUD to $1,324 AUD

B+
Cheapest Retailer
-
$662 AUD
$465 USD
Most Expensive
B
Jared
140079824 · Oct 30
$1,324 AUD
$930 USD
View
1 more retailer has this diamond
Prices start from $662 AUDSave up to $662 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.

B+
0.77ct Oval
$662 AUD