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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG620474192

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

Certificate IGI LG620474192

Diamond specifications and retailer prices

From £205 GBP
$275 USD
As of October 30, 2026
Save £2,295 GBP (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,500 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG620474192 or 620474192. Listed at 21 retailers as of October 30, 2026, with prices from £205 to £2,500, a £2,295 spread on the same certified stone. Do Amore Diamonds lists it at £2,500. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620474192
Dimensions8.32 × 5.97 × 3.90 mm
L/W Ratio1.39
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
8.32 mm5.97 mm1.60 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620474192
Side View
Table 64.0%Crown 43.7°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.3%

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: £1,821 GBP|Low: £205 GBP|High: £2,754 GBP|Avg: £720 GBP
Do Amore Diamonds
Retailer 2
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Retailer 20
October 31, 2026
Retailer 6£205 GBP
Retailer 8£229 GBP
Retailer 3£238 GBP
Retailer 18£254 GBP
Retailer 19£254 GBP
Retailer 17£373 GBP
Retailer 9£421 GBP
Retailer 7£450 GBP
Retailer 16£482 GBP
Retailer 2£499 GBP
Retailer 4£508 GBP
Retailer 20£651 GBP
Retailer 15£654 GBP
Retailer 10£781 GBP
Retailer 12£902 GBP
Retailer 11£978 GBP
Retailer 5£1,025 GBP
Retailer 14£1,131 GBP
Do Amore Diamonds£1,821 GBP
Retailer 13£2,440 GBP

44 data points across 20 retailers

21 retailers£205 GBP to £2,500 GBP

A
Cheapest Retailer
-
£205 GBP
$275 USD
A
Retailer 2
-
£229 GBP
$307 USD
View
Final sale: no returns
A
Retailer 3
-
£238 GBP
$319 USD
View
A
Retailer 4
-
£254 GBP
$341 USD
View
A
Retailer 5
-
£254 GBP
$341 USD
View
A
Retailer 6
-
£373 GBP
$500 USD
View
A
Retailer 7
-
£421 GBP
$564 USD
View
Retailer 8
-
£450 GBP
€574 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
£482 GBP
ZAR 10,442 ZAR
View
A
Retailer 10
-
£499 GBP
View
A
Retailer 11
-
£508 GBP
$681 USD
View
A
Retailer 12
-
£651 GBP
$872 USD
View
A
Retailer 13
-
£654 GBP
A$1,349 AUD
View
A
Retailer 14
-
£781 GBP
$1,047 USD
View
B+
Retailer 15
-
£902 GBP
$1,209 USD
View
B+
Retailer 16
-
£978 GBP
$1,310 USD
View
B+
Retailer 17
-
£1,025 GBP
$1,373 USD
View
B+
Retailer 18
-
£1,131 GBP
View
B
Retailer 19
-
£1,821 GBP
$2,440 USD
View
B
Retailer 20
-
£2,440 GBP
$3,270 USD
View
Most Expensive
B
Do Amore Diamonds
23-620474192 · Oct 31
£2,500 GBP
$3,350 USD
View
20 more retailers have this diamond
Prices start from £205 GBPSave up to £2,295 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
£205 GBP