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Radiant|Lab Grown|IGI

11.40ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG615348257

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG615348257

Diamond specifications and retailer prices

From $2,618 AUD
$1,835 USD
As of November 2, 2026
Save $14,904 AUD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $17,522 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.4ct lab-grown radiant diamond

This 11.4ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615348257 or 615348257. Listed at 24 retailers as of October 31, 2026, with prices from $2,618 to $17,522, a $14,904 spread on the same certified stone. Brilliant Earth lists it at $17,522. 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

11.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615348257
Dimensions16.27 × 11.00 × 7.25 mm
L/W Ratio1.48
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
16.27 mm11.00 mm11.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615348257
Side View
Table 67.0%Crown 43.4°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 65.9%

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: Nov 2
Current: $17,522 AUD|Low: $2,452 AUD|High: $20,847 AUD|Avg: $5,318 AUD|-15.9%
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
November 2, 2026
Retailer 15$2,452 AUD
Retailer 4$2,618 AUD
Retailer 8$2,848 AUD
Retailer 5$2,931 AUD
Retailer 6$3,036 AUD
Retailer 9$3,036 AUD
Retailer 17$3,275 AUD
Retailer 10$3,878 AUD
Retailer 11$4,307 AUD
Retailer 14$4,341 AUD
Retailer 2$4,570 AUD
Retailer 16$4,672 AUD
Retailer 13$4,701 AUD
Retailer 12$5,626 AUD
Retailer 7$5,692 AUD
Retailer 3$8,182 AUD
Retailer 18$8,721 AUD
Brilliant Earth$17,522 AUD

46 data points across 18 retailers

24 retailers$2,618 AUD to $17,522 AUD

Retailer 1
-
$2,452 AUD
£1,353 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$2,618 AUD
$1,835 USD
View
A
Retailer 3
-
$2,848 AUD
$1,996 USD
View
A
Retailer 4
-
$2,931 AUD
$2,054 USD
View
Final sale: no returns
A
Retailer 5
-
$3,036 AUD
$2,128 USD
View
Retailer 6
-
$3,036 AUD
$2,128 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$3,275 AUD
$2,295 USD
View
A
Retailer 8
-
$3,878 AUD
$2,718 USD
View
A
Retailer 9
-
$4,307 AUD
£2,377 GBP
View
B+
Retailer 10
-
$4,341 AUD
$3,042 USD
View
A
Retailer 11
-
$4,570 AUD
€3,050 EUR
View
A
Retailer 12
-
$4,672 AUD
$3,274 USD
View
A
Retailer 13
-
$4,701 AUD
ZAR 53,223 ZAR
View
B+
Retailer 14
-
$5,626 AUD
View
B+
Retailer 15
-
$5,692 AUD
$3,989 USD
View
B+
Retailer 16
-
$6,285 AUD
£3,468 GBP
View
B+
Retailer 17
-
$7,515 AUD
$5,267 USD
View
B+
Retailer 18
-
$8,182 AUD
$5,734 USD
View
B+
Retailer 19
-
$8,721 AUD
$6,112 USD
View
Retailer 20
-
$9,368 AUD
$6,565 USD
View
Price last confirmed 84 days ago
B
Retailer 21
-
$10,641 AUD
$7,457 USD
View
B
Retailer 22
-
$10,817 AUD
$7,581 USD
View
B
Retailer 23
-
$14,798 AUD
$10,371 USD
View
Most Expensive
B
Brilliant Earth
9054095A · Oct 31
$17,522 AUD
$12,280 USD
View
23 more retailers have this diamond
Prices start from $2,618 AUDSave up to $14,904 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
11.40ct Radiant
$2,618 AUD