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Round|Lab Grown|IGI

1.55ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG761567666

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761567666

Diamond specifications and retailer prices

From $310 AUD
$218 USD
As of October 26, 2026
Save $1,220 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,728 AUD at Rare Carat · As of October 7, 2026
View at Rare Carat

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 LG761567666 or 761567666. Listed at 17 retailers as of October 26, 2026, with a 393% 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 angle33.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761567666
Dimensions7.49 × 7.51 × 4.53 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm7.51 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761567666
Side View
Table 60.0%Crown 33.1°Girdle: MediumPavilion 41.3°Culet: NoneDepth 60.4%

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: Oct 26
Current: $1,728 AUD|Low: $310 AUD|High: $1,728 AUD|Avg: $947 AUD
Rare Carat
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
October 29, 2026
Retailer 7$310 AUD
Retailer 5$355 AUD
Retailer 4$380 AUD
Retailer 9$384 AUD
Retailer 12$419 AUD
Retailer 14$512 AUD
Retailer 10$629 AUD
Retailer 17$652 AUD
Retailer 16$697 AUD
Retailer 11$744 AUD
Retailer 6$897 AUD
Retailer 3$1,220 AUD
Retailer 15$1,232 AUD
Retailer 8$1,240 AUD
Retailer 13$1,381 AUD
Retailer 2$1,530 AUD
Rare Carat$1,728 AUD

28 data points across 17 retailers

17 retailers$310 AUD to $1,530 AUD

A
Cheapest Retailer
-
$310 AUD
$218 USD
A
Retailer 2
-
$355 AUD
$250 USD
View
A
Retailer 3
-
$380 AUD
$267 USD
View
A
Retailer 4
-
$384 AUD
$270 USD
View
A
Retailer 5
-
$419 AUD
HK$2,300 HKD
View
B+
Retailer 6
-
$512 AUD
$360 USD
View
A
Retailer 7
-
$629 AUD
€421 EUR
View
A
Retailer 8
-
$652 AUD
ZAR 7,407 ZAR
View
A
Retailer 9
-
$697 AUD
£386 GBP
View
A
Retailer 10
-
$744 AUD
$523 USD
View
B+
Retailer 11
-
$897 AUD
View
B+
Retailer 12
-
$1,220 AUD
$858 USD
View
B+
Retailer 13
-
$1,232 AUD
SGD 1,171 SGD
View
B+
Retailer 14
-
$1,240 AUD
$872 USD
View
B
Retailer 15
-
$1,381 AUD
$971 USD
View
B
Retailer 16
-
$1,530 AUD
£847 GBP
View
Most Expensive
B
Rare Carat
T16665676RE761 · Oct 7
$1,728 AUD
$1,215 USD
View
Price last confirmed 22 days ago
16 more retailers have this diamond
Prices start from $310 AUDSave up to $1,220 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
$310 AUD