Oval|Lab Grown|IGI

5.09ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG843678189

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843678189

Diamond specifications and retailer prices

From $3,677 AUD
$2,583 USD
As of October 24, 2026
Save $2,032 AUD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $17,067 AUD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 5.09ct lab-grown oval diamond

This 5.09ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843678189 or 843678189. Listed at 13 retailers as of October 24, 2026, with a 55% 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

5.09
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843678189
Dimensions12.87 × 8.86 × 5.59 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.87 mm8.86 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843678189
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: $17,067 AUD|Low: $1,734 AUD|High: $17,067 AUD|Avg: $4,835 AUD
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
Retailer 15
October 23, 2026
Retailer 2$1,761 AUD
Retailer 10$1,773 AUD
Retailer 12$1,858 AUD
Retailer 3$2,530 AUD
Retailer 9$2,541 AUD
Retailer 8$2,618 AUD
Retailer 11$3,317 AUD
Retailer 15$3,530 AUD
Retailer 13$3,677 AUD
Retailer 4$4,512 AUD
Retailer 5$4,832 AUD
Retailer 6$5,586 AUD
Retailer 7$5,709 AUD
Retailer 14$6,027 AUD
Brilliant Earth$17,067 AUD

11 data points across 15 retailers

13 retailers$3,677 AUD to $5,709 AUD

Retailer 1
-
$1,773 AUD
£981 GBP
Price last confirmed 8 days ago
Retailer 2
-
$1,858 AUD
$1,305 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$2,541 AUD
£1,406 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
$2,618 AUD
$1,839 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$3,317 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$3,530 AUD
$2,480 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$3,677 AUD
$2,583 USD
View
B+
Retailer 8
-
$4,512 AUD
£2,496 GBP
View
Retailer 9
-
$4,832 AUD
$3,395 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$5,586 AUD
£3,090 GBP
View
Price last confirmed 9 days ago
B
Retailer 11
-
$5,709 AUD
$4,011 USD
View
Retailer 12
-
$6,027 AUD
$4,234 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
21775588A · Oct 23
$17,067 AUD
$11,990 USD
View
Price under review
12 more retailers have this diamond
Prices start from $3,677 AUDSave up to $2,032 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+
5.09ct Oval
$3,677 AUD