Radiant|Lab Grown|IGI

2.55ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG770611757

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

Certificate IGI LG770611757

Diamond specifications and retailer prices

From £384 GBP
$515 USD
As of November 1, 2026
Save £762 GBP (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,392 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770611757 or 770611757. Listed at 7 retailers as of November 1, 2026, with a 198% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770611757
Dimensions10.21 × 6.48 × 4.52 mm
L/W Ratio1.58
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm6.48 mm2.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770611757
Side View
Table 68.0%Crown 43.4°Girdle: MediumPavilion 38.6°Culet: NoneDepth 69.8%

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 1
Current: £1,392 GBP|Low: £384 GBP|High: £1,392 GBP|Avg: £774 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4£384 GBP
Retailer 3£509 GBP
Retailer 6£510 GBP
Retailer 5£666 GBP
Retailer 7£954 GBP
Retailer 2£1,146 GBP
Rare Carat£1,392 GBP

16 data points across 7 retailers

7 retailers£384 GBP to £1,146 GBP

B+
Cheapest Retailer
-
£384 GBP
$515 USD
A
Retailer 2
-
£509 GBP
View
A
Retailer 3
-
£510 GBP
$683 USD
View
A
Retailer 4
-
£666 GBP
$893 USD
View
B+
Retailer 5
-
£954 GBP
$1,278 USD
View
B+
Retailer 6
-
£1,146 GBP
View
Most Expensive
Rare Carat
C-209_l_770611757 · Oct 21
£1,392 GBP
$1,865 USD
View
Price last confirmed 11 days ago
6 more retailers have this diamond
Prices start from £384 GBPSave up to £762 GBP

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
£384 GBP