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Oval|Lab Grown|IGI

4.75ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG645423289

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645423289

Diamond specifications and retailer prices

From $1,125 AUD
$790 USD
As of October 31, 2026
Save $4,684 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,000 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.75ct lab-grown oval diamond

This 4.75ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645423289 or 645423289. Listed at 15 retailers as of October 30, 2026, with a 416% 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

4.75
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645423289
Dimensions13.87 × 9.56 × 5.86 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.87 mm9.56 mm4.75 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645423289
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

Caratlytics Score

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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: Oct 31
Current: $6,000 AUD|Low: $753 AUD|High: $11,517 AUD|Avg: $2,614 AUD|-4.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 5$753 AUD
Retailer 14$783 AUD
Retailer 3$843 AUD
Retailer 6$921 AUD
Retailer 8$934 AUD
Retailer 10$1,125 AUD
Retailer 9$1,436 AUD
Retailer 15$1,445 AUD
Retailer 2$1,507 AUD
Retailer 4$1,536 AUD
Retailer 13$2,409 AUD
Retailer 16$2,454 AUD
Retailer 7$2,829 AUD
Retailer 12$3,918 AUD
Retailer 11$5,808 AUD
Rare Carat$6,000 AUD

37 data points across 16 retailers

15 retailers$1,125 AUD to $5,808 AUD

Retailer 1
-
$753 AUD
$529 USD
Price last confirmed 38 days ago
Retailer 2
-
$783 AUD
£433 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
$843 AUD
$592 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$921 AUD
$647 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$1,125 AUD
$790 USD
View
A
Retailer 6
-
$1,436 AUD
£794 GBP
View
B+
Retailer 7
-
$1,445 AUD
$1,015 USD
View
A
Retailer 8
-
$1,507 AUD
€1,008 EUR
View
A
Retailer 9
-
$1,536 AUD
$1,079 USD
View
B+
Retailer 10
-
$2,409 AUD
$1,692 USD
View
Retailer 11
-
$2,454 AUD
$1,724 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$2,829 AUD
$1,987 USD
View
B
Retailer 13
-
$3,918 AUD
£2,167 GBP
View
B
Retailer 14
-
$5,808 AUD
$4,080 USD
View
Most Expensive
Rare Carat
596534 · Oct 21
$6,000 AUD
$4,215 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $1,125 AUDSave up to $4,684 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
4.75ct Oval
$1,125 AUD