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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 $7,170 USD
As of October 28, 2026
Save $23,895 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $31,818 USD 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 28, 2026, with a 333% 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507809
Dimensions9.72 × 9.72 × 5.94 mm
L/W Ratio1.00
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
9.72 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 28
Current: $31,818 USD|Low: $7,050 USD|High: $51,114 USD|Avg: $19,778 USD|-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 30, 2026
Retailer 5$7,170 USD
Retailer 7$7,506 USD
Retailer 3$7,555 USD
Retailer 10$9,126 USD
Retailer 13$9,813 USD
Retailer 6$10,269 USD
Retailer 2$14,200 USD
Retailer 4$15,665 USD
Retailer 8$16,472 USD
Retailer 12$25,755 USD
Retailer 11$28,237 USD
Retailer 9$31,065 USD
Novita Diamonds$31,818 USD

41 data points across 13 retailers

14 retailers$7,170 USD to $31,065 USD

A
Cheapest Retailer
-
$7,170 USD
A
Retailer 2
-
$7,506 USD
View
A
Retailer 3
-
$7,555 USD
View
A
Retailer 4
-
$9,126 USD
HK$71,300 HKD
View
A
Retailer 5
-
$9,813 USD
View
A
Retailer 6
-
$10,269 USD
£8,086 GBP
View
Retailer 7
-
$12,004 USD
£9,452 GBP
View
Price last confirmed 15 days ago
A
Retailer 8
-
$14,200 USD
View
A
Retailer 9
-
$15,665 USD
€14,919 EUR
View
B+
Retailer 10
-
$16,472 USD
£12,970 GBP
View
B+
Retailer 11
-
$25,755 USD
View
B
Retailer 12
-
$28,237 USD
View
B
Retailer 13
-
$31,065 USD
SGD 41,980 SGD
View
Most Expensive
Novita Diamonds
cert_754507809 · Oct 8
$31,818 USD
A$48,950 AUD
View
Price last confirmed 22 days ago
13 more retailers have this diamond
Prices start from $7,170 USDSave up to $23,895 USD

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
$7,170 USD