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Oval|Lab Grown|IGI

11.11ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG577394212

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577394212

Diamond specifications and retailer prices

From $2,823 AUD
$1,983 USD
As of October 29, 2026
Save $17,634 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,457 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.11ct lab-grown oval diamond

This 11.11ct 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 LG577394212 or 577394212. Listed at 19 retailers as of October 29, 2026, with prices from $2,823 to $20,457, a $17,634 spread on the same certified stone. Brilliant Earth lists it at $20,457. 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

11.11
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577394212
Dimensions17.60 × 12.48 × 7.73 mm
L/W Ratio1.41
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
17.60 mm12.48 mm11.11 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577394212
Side View
Table 59.0%Crown 37.7°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 61.9%

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: $20,457 AUD|Low: $2,256 AUD|High: $22,948 AUD|Avg: $6,546 AUD|-10.9%
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
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 16$2,823 AUD
Retailer 3$3,072 AUD
Retailer 5$3,160 AUD
Retailer 17$3,274 AUD
Retailer 15$3,509 AUD
Retailer 4$4,032 AUD
Retailer 18$4,501 AUD
Retailer 11$4,658 AUD
Retailer 14$4,863 AUD
Retailer 12$4,909 AUD
Retailer 2$5,070 AUD
Retailer 13$6,078 AUD
Retailer 6$6,205 AUD
Retailer 7$8,073 AUD
Retailer 8$8,468 AUD
Retailer 9$9,344 AUD
Retailer 10$11,462 AUD
Brilliant Earth$20,457 AUD

35 data points across 18 retailers

19 retailers$2,823 AUD to $20,457 AUD

A
Cheapest Retailer
-
$2,823 AUD
$1,983 USD
A
Retailer 2
-
$3,072 AUD
$2,158 USD
View
A
Retailer 3
-
$3,160 AUD
$2,220 USD
View
Final sale: no returns
A
Retailer 4
-
$3,274 AUD
$2,300 USD
View
Retailer 5
-
$3,274 AUD
$2,300 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$3,509 AUD
$2,465 USD
View
A
Retailer 7
-
$4,032 AUD
$2,832 USD
View
A
Retailer 8
-
$4,501 AUD
$3,162 USD
View
B+
Retailer 9
-
$4,658 AUD
$3,272 USD
View
A
Retailer 10
-
$4,863 AUD
$3,416 USD
View
A
Retailer 11
-
$4,909 AUD
€3,284 EUR
View
A
Retailer 12
-
$5,070 AUD
ZAR 57,533 ZAR
View
Retailer 13
-
$6,078 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$6,205 AUD
£3,432 GBP
View
B+
Retailer 15
-
$8,073 AUD
$5,671 USD
View
B+
Retailer 16
-
$8,468 AUD
$5,948 USD
View
B
Retailer 17
-
$9,344 AUD
$6,564 USD
View
B
Retailer 18
-
$11,462 AUD
$8,052 USD
View
Most Expensive
B
Brilliant Earth
10790791A · Oct 31
$20,457 AUD
$14,370 USD
View
18 more retailers have this diamond
Prices start from $2,823 AUDSave up to $17,634 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
11.11ct Oval
$2,823 AUD