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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG769647838

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

Certificate IGI LG769647838

Diamond specifications and retailer prices

From £280 GBP
$375 USD
As of October 30, 2026
Save £2,370 GBP (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,649 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 top-tier cut grade and certified by IGI LG769647838 or 769647838. Listed at 24 retailers as of October 30, 2026, with prices from £280 to £2,649, a £2,370 spread on the same certified stone. Brilliant Earth lists it at £2,649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769647838
Dimensions8.61 × 5.76 × 3.79 mm
L/W Ratio1.49
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
8.61 mm5.76 mm1.60 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769647838
Side View
Table 63.0%Crown 39.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 65.8%

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: £2,649 GBP|Low: £269 GBP|High: £2,933 GBP|Avg: £867 GBP|-9.7%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 20£280 GBP
Retailer 11£313 GBP
Retailer 6£314 GBP
Retailer 3£348 GBP
Retailer 8£348 GBP
Retailer 15£459 GBP
Retailer 19£462 GBP
Retailer 10£589 GBP
Retailer 2£631 GBP
Retailer 14£659 GBP
Retailer 9£799 GBP
Retailer 12£841 GBP
Retailer 13£893 GBP
Retailer 18£975 GBP
Retailer 5£1,233 GBP
Retailer 4£1,300 GBP
Retailer 7£1,342 GBP
Retailer 16£1,410 GBP
Retailer 17£2,090 GBP
Brilliant Earth£2,649 GBP

44 data points across 20 retailers

24 retailers£280 GBP to £2,649 GBP

A
Cheapest Retailer
-
£280 GBP
$375 USD
A
Retailer 2
-
£313 GBP
$420 USD
View
Final sale: no returns
A
Retailer 3
-
£314 GBP
$421 USD
View
A
Retailer 4
-
£348 GBP
$466 USD
View
A
Retailer 5
-
£348 GBP
$466 USD
View
A
Retailer 6
-
£459 GBP
$615 USD
View
A
Retailer 7
-
£462 GBP
$619 USD
View
A
Retailer 8
-
£589 GBP
$789 USD
View
A
Retailer 9
-
£631 GBP
View
A
Retailer 10
-
£659 GBP
ZAR 14,267 ZAR
View
A
Retailer 11
-
£666 GBP
$893 USD
View
B+
Retailer 12
-
£799 GBP
$1,071 USD
View
B+
Retailer 13
-
£841 GBP
$1,126 USD
View
B+
Retailer 14
-
£893 GBP
A$1,841 AUD
View
B+
Retailer 15
-
£975 GBP
$1,306 USD
View
B+
Retailer 16
-
£1,233 GBP
$1,652 USD
View
B+
Retailer 17
-
£1,300 GBP
$1,742 USD
View
B+
Retailer 18
-
£1,303 GBP
$1,746 USD
View
B
Retailer 19
-
£1,342 GBP
$1,799 USD
View
B
Retailer 20
-
£1,347 GBP
$1,805 USD
View
B+
Retailer 21
-
£1,410 GBP
View
B
Retailer 22
-
£2,090 GBP
$2,800 USD
View
B
Retailer 23
-
£2,485 GBP
$3,330 USD
View
Most Expensive
B
Brilliant Earth
18397136Y · Oct 30
£2,649 GBP
$3,550 USD
View
23 more retailers have this diamond
Prices start from £280 GBPSave up to £2,370 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
£280 GBP