Radiant|Lab Grown|IGI

2.77ct F IF Radiant Lab Grown Diamond

EX • F/IF • IGI LG704588999

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

Certificate IGI LG704588999

Diamond specifications and retailer prices

From £583 GBP
$783 USD
As of November 2, 2026
Save £3,768 GBP (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,352 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.77ct lab-grown radiant diamond

This 2.77ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG704588999 or 704588999. Listed at 25 retailers as of November 2, 2026, with prices from £583 to £4,352, a £3,768 spread on the same certified stone. Brilliant Earth lists it at £4,352. 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

2.77
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704588999
Dimensions9.81 × 6.90 × 4.69 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.81 mm6.90 mm2.77 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704588999
Side View
Table 64.0%Crown 42.6°Girdle: MediumPavilion 34.4°Culet: NoneDepth 68.0%

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 2
Current: £4,352 GBP|Low: £536 GBP|High: £6,215 GBP|Avg: £1,715 GBP|-29.9%
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
Retailer 21
Retailer 22
November 3, 2026
Retailer 4£583 GBP
Retailer 15£635 GBP
Retailer 8£653 GBP
Retailer 22£677 GBP
Retailer 20£809 GBP
Retailer 6£890 GBP
Retailer 9£969 GBP
Retailer 13£1,038 GBP
Retailer 17£1,057 GBP
Retailer 19£1,382 GBP
Retailer 18£1,608 GBP
Retailer 2£1,749 GBP
Retailer 5£1,794 GBP
Retailer 21£1,904 GBP
Retailer 3£2,101 GBP
Retailer 10£2,277 GBP
Retailer 12£2,289 GBP
Retailer 7£2,340 GBP
Retailer 14£2,423 GBP
Retailer 11£2,518 GBP
Retailer 16£2,538 GBP
Brilliant Earth£4,352 GBP

26 data points across 22 retailers

25 retailers£583 GBP to £4,352 GBP

A
Cheapest Retailer
-
£583 GBP
$783 USD
Retailer 2
-
£621 GBP
$834 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£635 GBP
$852 USD
View
A
Retailer 4
-
£653 GBP
$876 USD
View
Final sale: no returns
A
Retailer 5
-
£677 GBP
$909 USD
View
A
Retailer 6
-
£809 GBP
$1,085 USD
View
A
Retailer 7
-
£890 GBP
$1,194 USD
View
A
Retailer 8
-
£969 GBP
$1,300 USD
View
A
Retailer 9
-
£1,038 GBP
View
A
Retailer 10
-
£1,057 GBP
€1,351 EUR
View
A
Retailer 11
-
£1,382 GBP
$1,854 USD
View
Retailer 12
-
£1,468 GBP
$1,970 USD
View
Price last confirmed 8 days ago
A
Retailer 13
-
£1,608 GBP
A$3,319 AUD
View
A
Retailer 14
-
£1,749 GBP
ZAR 37,909 ZAR
View
A
Retailer 15
-
£1,794 GBP
$2,408 USD
View
A
Retailer 16
-
£1,904 GBP
$2,555 USD
View
B+
Retailer 17
-
£2,101 GBP
View
B+
Retailer 18
-
£2,277 GBP
$3,055 USD
View
B+
Retailer 19
-
£2,289 GBP
$3,072 USD
View
B+
Retailer 20
-
£2,340 GBP
$3,141 USD
View
B+
Retailer 21
-
£2,423 GBP
$3,252 USD
View
B+
Retailer 22
-
£2,518 GBP
SGD 4,566 SGD
View
B+
Retailer 23
-
£2,538 GBP
View
Retailer 24
-
£3,830 GBP
$5,140 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
15525301A · Nov 2
£4,352 GBP
$5,840 USD
View
24 more retailers have this diamond
Prices start from £583 GBPSave up to £3,768 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
2.77ct Radiant
£583 GBP