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Round|Lab Grown|IGI

11.51ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG809695176

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809695176

Diamond specifications and retailer prices

From $2,848 AUD
£1,575 GBP
As of October 30, 2026
Save $20,257 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $23,105 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 11.51ct lab-grown round diamond

This 11.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG809695176 or 809695176. Listed at 19 retailers as of October 28, 2026, with prices from $2,848 to $23,105, a $20,257 spread on the same certified stone. Brilliant Earth lists it at $23,105. 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

11.51
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809695176
Dimensions14.77 × 14.70 × 8.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.77 mm14.70 mm11.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809695176
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.3%

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 30
Current: $14,336 AUD|Low: $2,839 AUD|High: $28,102 AUD|Avg: $6,818 AUD|-49.0%
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
October 31, 2026
Retailer 10$2,848 AUD
Retailer 15$3,048 AUD
Retailer 7$3,316 AUD
Retailer 5$3,536 AUD
Retailer 17$3,536 AUD
Retailer 16$3,727 AUD
Retailer 12$3,773 AUD
Retailer 3$4,184 AUD
Retailer 4$4,860 AUD
Retailer 9$5,054 AUD
Retailer 11$5,473 AUD
Retailer 14$5,542 AUD
Retailer 2$5,592 AUD
Retailer 13$6,562 AUD
Retailer 8$12,361 AUD
Brilliant Earth$14,336 AUD
Retailer 6$15,089 AUD

40 data points across 17 retailers

19 retailers$2,848 AUD to $23,105 AUD

A
Cheapest Retailer
-
$2,848 AUD
£1,575 GBP
A
Retailer 2
-
$3,048 AUD
$2,141 USD
View
A
Retailer 3
-
$3,316 AUD
$2,329 USD
View
A
Retailer 4
-
$3,536 AUD
$2,484 USD
View
Retailer 5
-
$3,536 AUD
$2,484 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,727 AUD
$2,618 USD
View
Final sale: no returns
A
Retailer 7
-
$3,773 AUD
$2,650 USD
View
A
Retailer 8
-
$4,184 AUD
$2,939 USD
View
A
Retailer 9
-
$4,860 AUD
$3,414 USD
View
A
Retailer 10
-
$5,054 AUD
$3,550 USD
View
A
Retailer 11
-
$5,473 AUD
ZAR 62,112 ZAR
View
A
Retailer 12
-
$5,542 AUD
$3,893 USD
View
A
Retailer 13
-
$5,592 AUD
€3,741 EUR
View
Retailer 14
-
$6,562 AUD
View
Price last confirmed 8 days ago
Retailer 15
-
$10,688 AUD
$7,508 USD
View
Price last confirmed 96 days ago
B+
Retailer 16
-
$12,361 AUD
$8,683 USD
View
B+
Retailer 17
-
$14,336 AUD
$10,070 USD
View
B+
Retailer 18
-
$15,089 AUD
$10,599 USD
View
Most Expensive
B
Brilliant Earth
20412613A · Oct 28
$23,105 AUD
$16,230 USD
View
18 more retailers have this diamond
Prices start from $2,848 AUDSave up to $20,257 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
11.51ct Round
$2,848 AUD