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Radiant|Lab Grown|IGI

1.60ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG778671653

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

Certificate IGI LG778671653

Diamond specifications and retailer prices

From £832 GBP
$1,115 USD
As of October 30, 2026
Save £2,543 GBP (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,375 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778671653 or 778671653. Listed at 22 retailers as of October 30, 2026, with prices from £832 to £3,375, a £2,543 spread on the same certified stone. Taylor and Hart lists it at £3,375. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778671653
Dimensions8.28 × 5.83 × 3.84 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
8.28 mm5.83 mm1.60 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778671653
Side View
Table 64.0%Crown 40.1°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 65.9%

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: Oct 30
Current: £1,065 GBP|Low: £799 GBP|High: £3,234 GBP|Avg: £1,778 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 30, 2026
Retailer 3£832 GBP
Retailer 8£905 GBP
Retailer 4£931 GBP
Retailer 6£965 GBP
Retailer 9£965 GBP
Retailer 1£1,065 GBP
Retailer 13£1,093 GBP
Retailer 14£1,381 GBP
Retailer 11£1,399 GBP
Retailer 15£1,693 GBP
Retailer 12£1,774 GBP
Retailer 7£1,809 GBP
Retailer 17£1,958 GBP
Retailer 2£2,794 GBP
Retailer 18£3,069 GBP
Retailer 5£3,075 GBP
Retailer 16£3,117 GBP
Retailer 10£3,234 GBP

37 data points across 18 retailers

22 retailers£832 GBP to £3,375 GBP

A
Cheapest Retailer
-
£832 GBP
$1,115 USD
A
Retailer 2
-
£905 GBP
$1,213 USD
View
B+
Retailer 3
-
£931 GBP
$1,247 USD
View
Final sale: no returns
Retailer 4
-
£965 GBP
$1,293 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£965 GBP
$1,293 USD
View
B+
Retailer 6
-
£1,046 GBP
$1,402 USD
View
B+
Retailer 7
-
£1,065 GBP
View
B+
Retailer 8
-
£1,093 GBP
$1,465 USD
View
B+
Retailer 9
-
£1,169 GBP
$1,566 USD
View
B+
Retailer 10
-
£1,381 GBP
$1,850 USD
View
B+
Retailer 11
-
£1,399 GBP
View
Retailer 12
-
£1,693 GBP
€2,160 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£1,774 GBP
ZAR 38,400 ZAR
View
B
Retailer 14
-
£1,809 GBP
$2,424 USD
View
B
Retailer 15
-
£1,958 GBP
$2,623 USD
View
B
Retailer 16
-
£2,662 GBP
View
B
Retailer 17
-
£2,794 GBP
$3,744 USD
View
B
Retailer 18
-
£3,069 GBP
$4,113 USD
View
B
Retailer 19
-
£3,075 GBP
$4,120 USD
View
B
Retailer 20
-
£3,117 GBP
View
B
Retailer 21
-
£3,234 GBP
SGD 5,855 SGD
View
Most Expensive
B
Taylor and Hart
BPJG0B4 · Oct 30
£3,375 GBP
$4,522 USD
View
21 more retailers have this diamond
Prices start from £832 GBPSave up to £2,543 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
1.60ct Radiant
£832 GBP