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Radiant|Lab Grown|IGI

3.19ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG689574863

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

Certificate IGI LG689574863

Diamond specifications and retailer prices

From £1,274 GBP
$1,697 USD
As of October 27, 2026
Save £6,625 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £7,900 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.19ct lab-grown radiant diamond

This 3.19ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689574863 or 689574863. Listed at 18 retailers as of October 27, 2026, with prices from £1,274 to £7,900, a £6,625 spread on the same certified stone. Brilliant Earth lists it at £7,900. 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

3.19
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689574863
Dimensions10.99 × 7.34 × 4.72 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm7.34 mm3.19 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689574863
Side View
Table 63.0%Crown 40°Girdle: MediumPavilion 34.7°Culet: NoneDepth 64.3%

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 27
Current: £7,900 GBP|Low: £1,018 GBP|High: £7,900 GBP|Avg: £3,473 GBP
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
October 30, 2026
Retailer 10£1,560 GBP
Retailer 12£1,607 GBP
Retailer 14£1,932 GBP
Retailer 5£2,014 GBP
Retailer 2£2,244 GBP
Retailer 11£2,444 GBP
Retailer 9£2,451 GBP
Retailer 13£2,726 GBP
Retailer 3£3,376 GBP
Retailer 7£4,432 GBP
Retailer 8£4,666 GBP
Retailer 4£4,732 GBP
Retailer 15£5,604 GBP
Retailer 6£5,716 GBP
Brilliant Earth£7,900 GBP

43 data points across 15 retailers

18 retailers£1,274 GBP to £7,900 GBP

A
Cheapest Retailer
-
£1,274 GBP
$1,697 USD
A
Retailer 2
-
£1,386 GBP
$1,846 USD
View
A
Retailer 3
-
£1,479 GBP
$1,969 USD
View
A
Retailer 4
-
£1,560 GBP
$2,078 USD
View
Final sale: no returns
A
Retailer 5
-
£1,607 GBP
$2,140 USD
View
A
Retailer 6
-
£1,932 GBP
HK$20,100 HKD
View
A
Retailer 7
-
£2,014 GBP
$2,682 USD
View
A
Retailer 8
-
£2,244 GBP
View
A
Retailer 9
-
£2,444 GBP
$3,254 USD
View
A
Retailer 10
-
£2,451 GBP
€3,108 EUR
View
B+
Retailer 11
-
£2,726 GBP
$3,630 USD
View
B+
Retailer 12
-
£3,376 GBP
View
B+
Retailer 13
-
£4,432 GBP
$5,902 USD
View
B+
Retailer 14
-
£4,666 GBP
View
B
Retailer 15
-
£4,732 GBP
$6,301 USD
View
B
Retailer 16
-
£5,604 GBP
SGD 10,084 SGD
View
B
Retailer 17
-
£5,716 GBP
$7,612 USD
View
Most Expensive
B
Brilliant Earth
16979789Y · Oct 29
£7,900 GBP
$10,520 USD
View
17 more retailers have this diamond
Prices start from £1,274 GBPSave up to £6,625 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
3.19ct Radiant
£1,274 GBP