Oval|Lab Grown|IGI

4.91ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG750559534

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG750559534

Diamond specifications and retailer prices

From $1,173 AUD
$824 USD
As of October 29, 2026
Save $9,368 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $16,229 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.91ct lab-grown oval diamond

This 4.91ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750559534 or 750559534. Listed at 18 retailers as of October 29, 2026, with a 799% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750559534
Dimensions13.78 × 9.62 × 5.75 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.78 mm9.62 mm4.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750559534
Side View
Table 63.0%Crown 34.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.8%

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: Oct 29
Current: $16,229 AUD|Low: $1,169 AUD|High: $16,898 AUD|Avg: $4,885 AUD|-4.0%
Brilliant Earth
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
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Retailer 17
Retailer 18
October 31, 2026
Retailer 18$1,173 AUD
Retailer 16$1,277 AUD
Retailer 11$1,530 AUD
Retailer 10$1,637 AUD
Retailer 5$1,915 AUD
Retailer 14$1,919 AUD
Retailer 15$2,281 AUD
Retailer 3$3,129 AUD
Retailer 2$3,219 AUD
Retailer 4$3,226 AUD
Retailer 6$3,660 AUD
Retailer 7$4,225 AUD
Retailer 13$5,124 AUD
Retailer 9$5,914 AUD
Retailer 8$7,139 AUD
Retailer 17$10,421 AUD
Retailer 12$10,541 AUD
Brilliant Earth$16,229 AUD

36 data points across 18 retailers

18 retailers$1,173 AUD to $10,541 AUD

A
Cheapest Retailer
-
$1,173 AUD
$824 USD
A
Retailer 2
-
$1,277 AUD
$897 USD
View
A
Retailer 3
-
$1,530 AUD
$1,075 USD
View
A
Retailer 4
-
$1,637 AUD
$1,150 USD
View
Final sale: no returns
Retailer 5
-
$1,915 AUD
$1,345 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,919 AUD
$1,348 USD
View
A
Retailer 7
-
$2,281 AUD
€1,526 EUR
View
A
Retailer 8
-
$3,129 AUD
$2,198 USD
View
B+
Retailer 9
-
$3,219 AUD
View
Retailer 10
-
$3,226 AUD
$2,266 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$3,660 AUD
$2,571 USD
View
B+
Retailer 12
-
$4,225 AUD
$2,968 USD
View
B+
Retailer 13
-
$5,124 AUD
£2,834 GBP
View
Retailer 14
-
$5,914 AUD
View
Price last confirmed 26 days ago
Retailer 15
-
$7,139 AUD
$5,015 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$10,421 AUD
$7,320 USD
View
B
Retailer 17
-
$10,541 AUD
$7,404 USD
View
Most Expensive
Brilliant Earth
19656320A · Oct 29
$16,229 AUD
$11,400 USD
View
Price under review
17 more retailers have this diamond
Prices start from $1,173 AUDSave up to $9,368 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
4.91ct Oval
$1,173 AUD