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Radiant|Lab Grown|IGI

8.55ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1

Diamond specifications and retailer prices

From $5,676 AUD
$3,987 USD
As of November 1, 2026
Save $14,334 AUD (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $25,070 AUD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 8.55ct lab-grown radiant diamond

This 8.55ct 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. Listed at 3 retailers as of October 31, 2026, with a 253% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

8.55
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions15.45 × 9.74 × 6.37 mm
L/W Ratio1.59
Top View
15.45 mm9.74 mm8.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.4%

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: Nov 1
Current: $25,070 AUD|Low: $5,676 AUD|High: $25,070 AUD|Avg: $17,550 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
October 24, 2026
Retailer 3$5,676 AUD
Retailer 2$20,010 AUD
Helzberg Diamonds$25,070 AUD

10 data points across 3 retailers

3 retailers$5,676 AUD to $20,010 AUD

A
Cheapest Retailer
-
$5,676 AUD
$3,987 USD
B
Retailer 2
-
$20,010 AUD
$14,056 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKGMLMNNG · Oct 13
$25,070 AUD
$17,610 USD
View
Price last confirmed 19 days ago
2 more retailers have this diamond
Prices start from $5,676 AUDSave up to $14,334 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
8.55ct Radiant
$5,676 AUD