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Radiant|Lab Grown|IGI

2.55ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG780680173

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

Certificate IGI LG780680173

Diamond specifications and retailer prices

From $588 AUD
$412 USD
As of November 2, 2026
Save $5,976 AUD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,564 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.55ct lab-grown radiant diamond

This 2.55ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780680173 or 780680173. Listed at 14 retailers as of October 31, 2026, with prices from $588 to $6,564, a $5,976 spread on the same certified stone. Brilliant Earth lists it at $6,564. 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

2.55
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780680173
Dimensions9.75 × 6.77 × 4.59 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.75 mm6.77 mm2.55 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780680173
Side View
Table 66.0%Crown 39.3°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,564 AUD|Low: $564 AUD|High: $7,135 AUD|Avg: $2,462 AUD|-8.0%
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
November 1, 2026
Retailer 13$588 AUD
Retailer 4$658 AUD
Retailer 12$1,092 AUD
Retailer 3$1,150 AUD
Retailer 5$1,203 AUD
Retailer 8$1,486 AUD
Retailer 9$1,784 AUD
Retailer 11$2,042 AUD
Retailer 14$2,530 AUD
Retailer 15$2,584 AUD
Retailer 7$2,796 AUD
Retailer 2$2,952 AUD
Retailer 10$3,175 AUD
Retailer 6$5,208 AUD
Brilliant Earth$6,564 AUD

24 data points across 15 retailers

14 retailers$588 AUD to $6,564 AUD

A
Cheapest Retailer
-
$588 AUD
$412 USD
A
Retailer 2
-
$658 AUD
$461 USD
View
A
Retailer 3
-
$1,092 AUD
$765 USD
View
A
Retailer 4
-
$1,150 AUD
$806 USD
View
A
Retailer 5
-
$1,203 AUD
$843 USD
View
A
Retailer 6
-
$1,486 AUD
€992 EUR
View
B+
Retailer 7
-
$1,784 AUD
View
B+
Retailer 8
-
$2,042 AUD
$1,431 USD
View
Retailer 9
-
$2,530 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$2,584 AUD
$1,811 USD
View
B
Retailer 11
-
$2,952 AUD
£1,629 GBP
View
Retailer 12
-
$3,175 AUD
$2,225 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$5,208 AUD
$3,650 USD
View
Most Expensive
B
Brilliant Earth
20082879Y · Oct 31
$6,564 AUD
$4,600 USD
View
13 more retailers have this diamond
Prices start from $588 AUDSave up to $5,976 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
2.55ct Radiant
$588 AUD