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Oval|Lab Grown|IGI

0.77ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037747

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037747

Diamond specifications and retailer prices

From $569 AUD
$400 USD
As of October 29, 2026
Save $1,701 AUD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,773 AUD at MOH London · As of October 18, 2026
View at MOH London

About this 0.77ct lab-grown oval diamond

This 0.77ct lab-grown oval sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037747 or 445037747. Listed at 11 retailers as of October 28, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037747
Dimensions7.19 × 5.10 × 3.22 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.19 mm5.10 mm0.77 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037747
Side View
Table 60.0%Crown 36.3°Girdle: STK-THKPavilion 40.9°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: Oct 29
Current: $2,773 AUD|Low: $454 AUD|High: $2,793 AUD|Avg: $1,145 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$569 AUD
Retailer 3$575 AUD
Retailer 10$638 AUD
Retailer 8$706 AUD
Retailer 11$706 AUD
Retailer 7$769 AUD
Retailer 9$1,119 AUD
Retailer 2$1,255 AUD
Retailer 12$1,257 AUD
Retailer 4$1,478 AUD
Retailer 5$1,980 AUD
MOH London$2,773 AUD

21 data points across 12 retailers

11 retailers$569 AUD to $2,270 AUD

A
Cheapest Retailer
-
$569 AUD
$400 USD
A
Retailer 2
-
$638 AUD
$448 USD
View
Final sale: no returns
A
Retailer 3
-
$638 AUD
$448 USD
View
A
Retailer 4
-
$706 AUD
$496 USD
View
A
Retailer 5
-
$706 AUD
$496 USD
View
B+
Retailer 6
-
$769 AUD
$540 USD
View
B+
Retailer 7
-
$1,119 AUD
$786 USD
View
B+
Retailer 8
-
$1,255 AUD
€840 EUR
View
B
Retailer 9
-
$1,980 AUD
$1,391 USD
View
B
Retailer 10
-
$2,270 AUD
$1,595 USD
View
Most Expensive
MOH London
LG445037747 · Oct 18
$2,773 AUD
£1,534 GBP
View
Price last confirmed 12 days ago
10 more retailers have this diamond
Prices start from $569 AUDSave up to $1,701 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
0.77ct Oval
$569 AUD