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Round|Lab Grown|IGI

1.55ct F VVS2 Round Lab Grown Diamond

EX • F/VVS2 • IGI LG778657807

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657807

Diamond specifications and retailer prices

From $316 AUD
As of November 3, 2026
Save $1,292 AUD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,423 AUD at Brilliant Earth · As of October 16, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778657807 or 778657807. Listed at 21 retailers as of November 3, 2026, with a 408% 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657807
Dimensions7.37 × 7.35 × 4.62 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
7.37 mm7.35 mm1.55 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657807
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 3
Current: $2,423 AUD|Low: $316 AUD|High: $2,423 AUD|Avg: $965 AUD
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
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 9$316 AUD
Retailer 5$354 AUD
Retailer 4$368 AUD
Retailer 18$393 AUD
Retailer 10$395 AUD
Retailer 14$589 AUD
Retailer 6$671 AUD
Retailer 17$677 AUD
Retailer 2$721 AUD
Retailer 20$727 AUD
Retailer 3$864 AUD
Retailer 15$918 AUD
Retailer 16$1,046 AUD
Retailer 7$1,203 AUD
Retailer 19$1,263 AUD
Retailer 11$1,276 AUD
Retailer 8$1,337 AUD
Retailer 13$1,569 AUD
Retailer 12$1,608 AUD
Brilliant Earth$2,423 AUD

25 data points across 20 retailers

21 retailers$316 AUD to $1,608 AUD

A
Cheapest Retailer
-
$316 AUD
A
Retailer 2
-
$354 AUD
View
Final sale: no returns
A
Retailer 3
-
$368 AUD
View
A
Retailer 4
-
$393 AUD
View
Retailer 5
-
$395 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$589 AUD
View
A
Retailer 7
-
$671 AUD
View
A
Retailer 8
-
$677 AUD
View
A
Retailer 9
-
$721 AUD
View
A
Retailer 10
-
$727 AUD
View
B+
Retailer 11
-
$804 AUD
View
B+
Retailer 12
-
$864 AUD
View
B+
Retailer 13
-
$918 AUD
View
B+
Retailer 14
-
$1,046 AUD
View
B+
Retailer 15
-
$1,203 AUD
View
B+
Retailer 16
-
$1,263 AUD
View
B+
Retailer 17
-
$1,276 AUD
View
B+
Retailer 18
-
$1,337 AUD
View
B
Retailer 19
-
$1,569 AUD
View
B
Retailer 20
-
$1,608 AUD
View
Most Expensive
Brilliant Earth
21501362A · Oct 16
$2,423 AUD
$1,700 USD
View
Price last confirmed 19 days ago
20 more retailers have this diamond
Prices start from $316 AUDSave up to $1,292 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
$316 AUD