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Round|Lab Grown|IGI

11.77ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG620431194

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620431194

Diamond specifications and retailer prices

From $3,818 AUD
£2,112 GBP
As of October 30, 2026
Save $23,543 AUD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $27,362 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 11.77ct lab-grown round diamond

This 11.77ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620431194 or 620431194. Listed at 21 retailers as of October 29, 2026, with prices from $3,818 to $27,362, a $23,543 spread on the same certified stone. Brilliant Earth lists it at $27,362. 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

11.77
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620431194
Dimensions14.77 × 14.74 × 8.76 mm
L/W Ratio1.00
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
14.77 mm14.74 mm11.77 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620431194
Side View
Table 61.0%Crown 33.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.3%

Caratlytics Score

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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: $27,362 AUD|Low: $3,805 AUD|High: $28,059 AUD|Avg: $8,086 AUD|-2.5%
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
October 31, 2026
Retailer 11$3,818 AUD
Retailer 12$4,086 AUD
Retailer 10$4,446 AUD
Retailer 6$4,575 AUD
Retailer 13$4,739 AUD
Retailer 5$4,968 AUD
Retailer 8$5,331 AUD
Retailer 3$6,060 AUD
Retailer 9$6,378 AUD
Retailer 15$6,514 AUD
Retailer 4$7,370 AUD
Retailer 2$7,525 AUD
Retailer 16$11,343 AUD
Retailer 14$11,500 AUD
Retailer 7$13,186 AUD
Brilliant Earth$27,362 AUD

37 data points across 16 retailers

21 retailers$3,818 AUD to $27,362 AUD

A
Cheapest Retailer
-
$3,818 AUD
£2,112 GBP
A
Retailer 2
-
$4,086 AUD
$2,870 USD
View
A
Retailer 3
-
$4,446 AUD
$3,123 USD
View
A
Retailer 4
-
$4,575 AUD
$3,214 USD
View
Final sale: no returns
A
Retailer 5
-
$4,739 AUD
$3,329 USD
View
Retailer 6
-
$4,739 AUD
$3,329 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$4,739 AUD
$3,329 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$4,968 AUD
$3,490 USD
View
A
Retailer 9
-
$5,331 AUD
$3,745 USD
View
A
Retailer 10
-
$6,060 AUD
$4,257 USD
View
A
Retailer 11
-
$6,378 AUD
£3,528 GBP
View
A
Retailer 12
-
$6,514 AUD
$4,576 USD
View
Retailer 13
-
$7,370 AUD
$5,177 USD
View
Price last confirmed 10 days ago
A
Retailer 14
-
$7,525 AUD
€5,034 EUR
View
B+
Retailer 15
-
$8,179 AUD
£4,524 GBP
View
Retailer 16
-
$9,569 AUD
$6,722 USD
View
Price last confirmed 38 days ago
B+
Retailer 17
-
$11,343 AUD
$7,968 USD
View
B+
Retailer 18
-
$11,500 AUD
$8,078 USD
View
B
Retailer 19
-
$13,186 AUD
$9,263 USD
View
B
Retailer 20
-
$16,514 AUD
$11,600 USD
View
Most Expensive
B
Brilliant Earth
20602340A · Oct 29
$27,362 AUD
$19,220 USD
View
20 more retailers have this diamond
Prices start from $3,818 AUDSave up to $23,543 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
11.77ct Round
$3,818 AUD