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Oval|Lab Grown|IGI

11.25ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG598316444

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598316444

Diamond specifications and retailer prices

From $2,689 AUD
$1,889 USD
As of November 1, 2026
Save $19,846 AUD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $22,536 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.25ct lab-grown oval diamond

This 11.25ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598316444 or 598316444. Listed at 12 retailers as of October 31, 2026, with prices from $2,689 to $22,536, a $19,846 spread on the same certified stone. Brilliant Earth lists it at $22,536. 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

11.25
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598316444
Dimensions18.53 × 12.54 × 7.73 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
18.53 mm12.54 mm11.25 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598316444
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.6%

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: Nov 1
Current: $22,536 AUD|Low: $2,689 AUD|High: $22,536 AUD|Avg: $6,931 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
November 1, 2026
Retailer 4$2,689 AUD
Retailer 11$2,975 AUD
Retailer 9$3,842 AUD
Retailer 12$3,908 AUD
Retailer 6$4,543 AUD
Retailer 10$4,715 AUD
Retailer 2$5,593 AUD
Retailer 8$6,675 AUD
Retailer 3$7,470 AUD
Retailer 5$7,957 AUD
Retailer 7$14,606 AUD
Brilliant Earth$22,536 AUD

30 data points across 12 retailers

12 retailers$2,689 AUD to $22,536 AUD

A
Cheapest Retailer
-
$2,689 AUD
$1,889 USD
Final sale: no returns
A
Retailer 2
-
$2,975 AUD
$2,090 USD
View
B+
Retailer 3
-
$3,842 AUD
$2,699 USD
View
A
Retailer 4
-
$3,908 AUD
$2,745 USD
View
A
Retailer 5
-
$4,543 AUD
€3,039 EUR
View
A
Retailer 6
-
$4,715 AUD
$3,312 USD
View
B+
Retailer 7
-
$5,593 AUD
View
B+
Retailer 8
-
$6,675 AUD
$4,689 USD
View
B+
Retailer 9
-
$7,470 AUD
$5,247 USD
View
B+
Retailer 10
-
$7,957 AUD
$5,590 USD
View
B
Retailer 11
-
$14,606 AUD
$10,260 USD
View
Most Expensive
B
Brilliant Earth
17140106A · Oct 31
$22,536 AUD
$15,830 USD
View
11 more retailers have this diamond
Prices start from $2,689 AUDSave up to $19,846 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
11.25ct Oval
$2,689 AUD