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Radiant|Lab Grown|IGI

8.55ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG840656770

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

Certificate IGI LG840656770

Diamond specifications and retailer prices

From $7,207 AUD
£3,986 GBP
As of November 1, 2026
Save $11,749 AUD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,956 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG840656770 or 840656770. Listed at 10 retailers as of October 31, 2026, with prices from $7,207 to $18,956, a $11,749 spread on the same certified stone. Taylor and Hart lists it at $18,956. 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
Crown angle41.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656770
Dimensions15.45 × 9.74 × 6.37 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm9.74 mm8.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656770
Side View
Table 66.0%Crown 41.4°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,721 AUD|Low: $5,534 AUD|High: $19,407 AUD|Avg: $12,210 AUD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 1, 2026
Retailer 9$5,534 AUD
Retailer 3$7,207 AUD
Retailer 7$7,770 AUD
Retailer 5$8,241 AUD
Retailer 6$9,076 AUD
Retailer 4$13,534 AUD
Retailer 1$13,721 AUD
Retailer 8$17,196 AUD
Retailer 2$18,505 AUD
Taylor and Hart$18,956 AUD

28 data points across 10 retailers

10 retailers$7,207 AUD to $18,956 AUD

Retailer 1
-
$5,534 AUD
$3,887 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
$7,207 AUD
£3,986 GBP
View
B+
Retailer 3
-
$7,770 AUD
$5,458 USD
View
B+
Retailer 4
-
$8,241 AUD
€5,513 EUR
View
B+
Retailer 5
-
$9,076 AUD
ZAR 102,992 ZAR
View
B
Retailer 6
-
$13,534 AUD
$9,507 USD
View
B+
Retailer 7
-
$13,721 AUD
£7,589 GBP
View
B
Retailer 8
-
$17,196 AUD
$12,079 USD
View
B
Retailer 9
-
$18,505 AUD
View
Most Expensive
B
Taylor and Hart
2D6WAJ5 · Oct 31
$18,956 AUD
$13,316 USD
View
9 more retailers have this diamond
Prices start from $7,207 AUDSave up to $11,749 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.

B+
8.55ct Radiant
$7,207 AUD