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Oval|Lab Grown|IGI

5.09ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754507809

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754507809

Diamond specifications and retailer prices

From $9,662 AUD
$6,787 USD
As of October 30, 2026
Save $34,562 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $45,295 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507809 or 754507809. Listed at 14 retailers as of October 30, 2026, with a 358% 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507809
Dimensions14.39 × 9.72 × 5.94 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.39 mm9.72 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507809
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.1%

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 30
Current: $45,295 AUD|Low: $9,662 AUD|High: $72,766 AUD|Avg: $28,026 AUD|-0.5%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7$9,662 AUD
Retailer 5$10,207 AUD
Retailer 9$10,686 AUD
Retailer 12$12,992 AUD
Retailer 4$13,970 AUD
Retailer 6$14,498 AUD
Retailer 2$19,819 AUD
Retailer 8$20,215 AUD
Retailer 10$23,449 AUD
Retailer 3$36,665 AUD
Retailer 13$40,199 AUD
Retailer 11$44,224 AUD
Novita Diamonds$45,295 AUD

40 data points across 13 retailers

14 retailers$9,662 AUD to $44,224 AUD

A
Cheapest Retailer
-
$9,662 AUD
$6,787 USD
A
Retailer 2
-
$10,207 AUD
$7,170 USD
View
A
Retailer 3
-
$10,686 AUD
$7,506 USD
View
A
Retailer 4
-
$12,992 AUD
HK$71,300 HKD
View
A
Retailer 5
-
$13,970 AUD
$9,813 USD
View
A
Retailer 6
-
$14,498 AUD
£8,019 GBP
View
Retailer 7
-
$17,089 AUD
£9,452 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
$19,819 AUD
€13,259 EUR
View
A
Retailer 9
-
$20,215 AUD
$14,200 USD
View
B+
Retailer 10
-
$23,449 AUD
£12,970 GBP
View
B+
Retailer 11
-
$36,665 AUD
$25,755 USD
View
B
Retailer 12
-
$40,199 AUD
$28,237 USD
View
B
Retailer 13
-
$44,224 AUD
SGD 41,980 SGD
View
Most Expensive
Novita Diamonds
cert_754507809 · Oct 8
$45,295 AUD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from $9,662 AUDSave up to $34,562 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
5.09ct Oval
$9,662 AUD