Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG754594272

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

Certificate IGI LG754594272

Diamond specifications and retailer prices

From £202 GBP
$270 USD
As of October 30, 2026
Save £2,209 GBP (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,411 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG754594272 or 754594272. Listed at 17 retailers as of October 30, 2026, with prices from £202 to £2,411, a £2,209 spread on the same certified stone. Brilliant Earth lists it at £2,411. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594272
Dimensions8.22 × 8.22 × 5.72 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.22 mm8.22 mm1.60 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594272
Side View
Table 63.0%Crown 40.3°Girdle: ThickPavilion 35.7°Culet: NoneDepth 69.8%

Caratlytics Score

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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: £2,411 GBP|Low: £202 GBP|High: £3,545 GBP|Avg: £967 GBP|-32.0%
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 11£202 GBP
Retailer 3£234 GBP
Retailer 9£251 GBP
Retailer 12£381 GBP
Retailer 2£410 GBP
Retailer 15£414 GBP
Retailer 5£457 GBP
Retailer 10£640 GBP
Retailer 7£659 GBP
Retailer 14£766 GBP
Retailer 17£795 GBP
Retailer 16£885 GBP
Retailer 6£1,133 GBP
Retailer 8£1,291 GBP
Retailer 13£1,784 GBP
Retailer 4£2,064 GBP
Brilliant Earth£2,411 GBP

37 data points across 17 retailers

17 retailers£202 GBP to £2,411 GBP

A
Cheapest Retailer
-
£202 GBP
$270 USD
A
Retailer 2
-
£234 GBP
$313 USD
View
A
Retailer 3
-
£251 GBP
$336 USD
View
Final sale: no returns
A
Retailer 4
-
£381 GBP
$510 USD
View
A
Retailer 5
-
£410 GBP
$550 USD
View
A
Retailer 6
-
£414 GBP
$555 USD
View
Retailer 7
-
£457 GBP
€583 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
£640 GBP
A$1,320 AUD
View
A
Retailer 9
-
£659 GBP
$883 USD
View
B+
Retailer 10
-
£766 GBP
$1,027 USD
View
B+
Retailer 11
-
£795 GBP
$1,065 USD
View
B+
Retailer 12
-
£885 GBP
$1,186 USD
View
Retailer 13
-
£1,133 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
£1,291 GBP
A$2,662 AUD
View
Price last confirmed 24 days ago
B
Retailer 15
-
£1,784 GBP
$2,390 USD
View
B
Retailer 16
-
£2,064 GBP
$2,765 USD
View
Most Expensive
B
Brilliant Earth
17496191Y · Oct 30
£2,411 GBP
$3,230 USD
View
16 more retailers have this diamond
Prices start from £202 GBPSave up to £2,209 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
£202 GBP