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Radiant|Lab Grown|IGI

5.15ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG840619235

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

Certificate IGI LG840619235

Diamond specifications and retailer prices

From $1,844 AUD
$1,295 USD
As of October 30, 2026
Save $10,711 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,555 AUD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 5.15ct lab-grown radiant diamond

This 5.15ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840619235 or 840619235. Listed at 22 retailers as of October 29, 2026, with prices from $1,844 to $12,555, a $10,711 spread on the same certified stone. Helzberg Diamonds lists it at $12,555. 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

5.15
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619235
Dimensions11.53 × 8.58 × 5.83 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.53 mm8.58 mm5.15 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619235
Side View
Table 65.0%Crown 47°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,555 AUD|Low: $1,844 AUD|High: $12,555 AUD|Avg: $4,552 AUD
Helzberg Diamonds
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 7$1,844 AUD
Retailer 14$2,006 AUD
Retailer 10$2,064 AUD
Retailer 22$2,138 AUD
Retailer 2$2,246 AUD
Retailer 3$2,385 AUD
Retailer 9$2,585 AUD
Retailer 13$3,014 AUD
Retailer 11$3,384 AUD
Retailer 19$3,558 AUD
Retailer 5$3,986 AUD
Retailer 21$4,009 AUD
Retailer 4$4,331 AUD
Retailer 16$4,345 AUD
Retailer 6$5,164 AUD
Retailer 8$5,260 AUD
Retailer 20$5,872 AUD
Retailer 17$6,908 AUD
Retailer 12$7,154 AUD
Retailer 15$7,508 AUD
Retailer 18$7,766 AUD
Helzberg Diamonds$12,555 AUD

11 data points across 22 retailers

22 retailers$1,844 AUD to $12,555 AUD

A
Cheapest Retailer
-
$1,844 AUD
$1,295 USD
A
Retailer 2
-
$2,006 AUD
$1,409 USD
View
A
Retailer 3
-
$2,064 AUD
$1,450 USD
View
Final sale: no returns
A
Retailer 4
-
$2,138 AUD
$1,502 USD
View
A
Retailer 5
-
$2,246 AUD
£1,242 GBP
View
A
Retailer 6
-
$2,385 AUD
$1,675 USD
View
A
Retailer 7
-
$2,585 AUD
$1,816 USD
View
A
Retailer 8
-
$3,014 AUD
£1,667 GBP
View
A
Retailer 9
-
$3,384 AUD
$2,377 USD
View
Retailer 10
-
$3,558 AUD
€2,380 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
-
$3,986 AUD
$2,800 USD
View
B+
Retailer 12
-
$4,009 AUD
$2,816 USD
View
Retailer 13
-
$4,331 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$4,345 AUD
ZAR 49,307 ZAR
View
B+
Retailer 15
-
$5,164 AUD
£2,856 GBP
View
B+
Retailer 16
-
$5,260 AUD
$3,695 USD
View
B+
Retailer 17
-
$5,872 AUD
$4,125 USD
View
B+
Retailer 18
-
$6,908 AUD
£3,821 GBP
View
B
Retailer 19
-
$7,154 AUD
SGD 6,791 SGD
View
B
Retailer 20
-
$7,508 AUD
$5,274 USD
View
B
Retailer 21
-
$7,766 AUD
$5,455 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMHPIJL · Oct 29
$12,555 AUD
$8,819 USD
View
21 more retailers have this diamond
Prices start from $1,844 AUDSave up to $10,711 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
5.15ct Radiant
$1,844 AUD