CaratHunter
Plans
Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

D/IF • IGI LG768631244

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

Certificate IGI LG768631244

Diamond specifications and retailer prices

From £381 GBP
$510 USD
As of October 26, 2026
Save £2,373 GBP (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,754 GBP at Brilliant Earth · As of October 26, 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) and certified by IGI LG768631244 or 768631244. Listed at 15 retailers as of October 26, 2026, with prices from £381 to £2,754, a £2,373 spread on the same certified stone. Brilliant Earth lists it at £2,754. 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
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631244
Dimensions8.07 × 8.07 × 5.76 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
8.07 mm8.07 mm1.60 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631244
Side View
Table 64.0%Crown 40.5°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 69.6%

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 26
Current: £2,754 GBP|Low: £179 GBP|High: £2,836 GBP|Avg: £933 GBP|-2.9%
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
October 26, 2026
Retailer 7£179 GBP
Retailer 5£205 GBP
Retailer 2£381 GBP
Retailer 19£410 GBP
Retailer 14£414 GBP
Retailer 3£457 GBP
Retailer 10£595 GBP
Retailer 17£647 GBP
Retailer 11£651 GBP
Retailer 4£659 GBP
Retailer 13£766 GBP
Retailer 18£795 GBP
Retailer 15£885 GBP
Retailer 16£1,105 GBP
Retailer 6£1,291 GBP
Retailer 9£1,303 GBP
Retailer 12£1,784 GBP
Retailer 8£1,984 GBP
Brilliant Earth£2,754 GBP

22 data points across 19 retailers

15 retailers£381 GBP to £2,754 GBP

Retailer 1
-
£205 GBP
$275 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£381 GBP
$510 USD
View
A
Retailer 3
-
£410 GBP
$550 USD
View
B+
Retailer 4
-
£414 GBP
$555 USD
View
Retailer 5
-
£457 GBP
€583 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
£647 GBP
A$1,333 AUD
View
B+
Retailer 7
-
£659 GBP
$883 USD
View
B+
Retailer 8
-
£766 GBP
$1,027 USD
View
B+
Retailer 9
-
£795 GBP
$1,065 USD
View
B+
Retailer 10
-
£885 GBP
$1,186 USD
View
B+
Retailer 11
-
£1,105 GBP
View
Retailer 12
-
£1,291 GBP
A$2,662 AUD
View
Price last confirmed 24 days ago
B
Retailer 13
-
£1,784 GBP
$2,390 USD
View
Retailer 14
-
£1,984 GBP
$2,658 USD
View
Price last confirmed 52 days ago
Most Expensive
B
Brilliant Earth
18070553Y · Oct 26
£2,754 GBP
$3,690 USD
View
14 more retailers have this diamond
Prices start from £381 GBPSave up to £2,373 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
£381 GBP