Round|Lab Grown|IGI

1.55ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG811672155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811672155

Diamond specifications and retailer prices

From $348 AUD
$244 USD
As of November 1, 2026
Save $1,437 AUD (80%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,069 AUD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811672155 or 811672155. Listed at 26 retailers as of November 1, 2026, with a 413% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811672155
Dimensions7.42 × 7.36 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.42 mm7.36 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811672155
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: $2,069 AUD|Low: $348 AUD|High: $2,140 AUD|Avg: $1,059 AUD|-3.3%
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
November 2, 2026
Retailer 8$348 AUD
Retailer 3$542 AUD
Retailer 10$590 AUD
Retailer 15$649 AUD
Retailer 12$666 AUD
Retailer 11$709 AUD
Retailer 6$832 AUD
Retailer 5$858 AUD
Retailer 17$869 AUD
Retailer 2$902 AUD
Retailer 14$995 AUD
Retailer 7$1,316 AUD
Retailer 13$1,546 AUD
Retailer 4$1,571 AUD
Retailer 16$1,719 AUD
Retailer 9$1,785 AUD
Brilliant Earth$2,069 AUD

34 data points across 17 retailers

26 retailers$348 AUD to $1,785 AUD

Retailer 1
-
$311 AUD
$218 USD
Price last confirmed 23 days ago
Retailer 2
-
$335 AUD
$235 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$348 AUD
$244 USD
View
Final sale: no returns
Retailer 4
-
$385 AUD
$270 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$385 AUD
$270 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$390 AUD
$273 USD
View
Price last confirmed 41 days ago
Retailer 7
-
$411 AUD
$288 USD
View
Price last confirmed 39 days ago
B+
Retailer 8
-
$542 AUD
$380 USD
View
A
Retailer 9
-
$590 AUD
£326 GBP
View
A
Retailer 10
-
$649 AUD
€433 EUR
View
A
Retailer 11
-
$666 AUD
ZAR 7,540 ZAR
View
A
Retailer 12
-
$709 AUD
£391 GBP
View
B+
Retailer 13
-
$832 AUD
$583 USD
View
B+
Retailer 14
-
$858 AUD
$601 USD
View
B+
Retailer 15
-
$869 AUD
$609 USD
View
B+
Retailer 16
-
$902 AUD
View
B+
Retailer 17
-
$995 AUD
$697 USD
View
Retailer 18
-
$1,240 AUD
$869 USD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
$1,316 AUD
$922 USD
View
Retailer 20
-
$1,337 AUD
$937 USD
View
Price last confirmed 42 days ago
B+
Retailer 21
-
$1,407 AUD
$986 USD
View
B
Retailer 22
-
$1,546 AUD
£853 GBP
View
B
Retailer 23
-
$1,571 AUD
$1,101 USD
View
Retailer 24
-
$1,719 AUD
$1,205 USD
View
Price last confirmed 15 days ago
B
Retailer 25
-
$1,785 AUD
$1,251 USD
View
Most Expensive
Brilliant Earth
20537387A · Oct 22
$2,069 AUD
$1,450 USD
View
Price last confirmed 11 days ago
25 more retailers have this diamond
Prices start from $348 AUDSave up to $1,437 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
1.55ct Round
$348 AUD