Radiant|Lab Grown|IGI

1.76ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG756587943

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

Certificate IGI LG756587943

Diamond specifications and retailer prices

From £224 GBP
$300 USD
As of October 30, 2026
Save £2,433 GBP (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,657 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.76ct lab-grown radiant diamond

This 1.76ct 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 LG756587943 or 756587943. Listed at 18 retailers as of October 30, 2026, with prices from £224 to £2,657, a £2,433 spread on the same certified stone. Brilliant Earth lists it at £2,657. 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

1.76
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756587943
Dimensions8.39 × 5.98 × 4.12 mm
L/W Ratio1.40
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
8.39 mm5.98 mm1.76 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756587943
Side View
Table 60.0%Crown 45.6°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.9%

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: £2,657 GBP|Low: £224 GBP|High: £3,791 GBP|Avg: £987 GBP|-29.9%
Brilliant Earth
Retailer 2
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Retailer 18
October 31, 2026
Retailer 17£224 GBP
Retailer 18£254 GBP
Retailer 15£260 GBP
Retailer 12£325 GBP
Retailer 4£336 GBP
Retailer 8£363 GBP
Retailer 7£387 GBP
Retailer 5£478 GBP
Retailer 2£497 GBP
Retailer 13£714 GBP
Retailer 11£757 GBP
Retailer 9£897 GBP
Retailer 14£984 GBP
Retailer 16£1,069 GBP
Retailer 6£1,251 GBP
Retailer 3£1,985 GBP
Retailer 10£2,306 GBP
Brilliant Earth£2,657 GBP

32 data points across 18 retailers

18 retailers£224 GBP to £2,657 GBP

A
Cheapest Retailer
-
£224 GBP
$300 USD
A
Retailer 2
-
£254 GBP
$341 USD
View
Final sale: no returns
A
Retailer 3
-
£260 GBP
$348 USD
View
A
Retailer 4
-
£325 GBP
View
A
Retailer 5
-
£336 GBP
$450 USD
View
A
Retailer 6
-
£363 GBP
$486 USD
View
B+
Retailer 7
-
£387 GBP
$519 USD
View
A
Retailer 8
-
£478 GBP
$641 USD
View
A
Retailer 9
-
£497 GBP
€634 EUR
View
A
Retailer 10
-
£714 GBP
A$1,471 AUD
View
A
Retailer 11
-
£757 GBP
$1,014 USD
View
B+
Retailer 12
-
£897 GBP
$1,202 USD
View
B+
Retailer 13
-
£984 GBP
$1,319 USD
View
B+
Retailer 14
-
£1,069 GBP
$1,432 USD
View
Retailer 15
-
£1,251 GBP
View
Price last confirmed 11 days ago
B
Retailer 16
-
£1,985 GBP
$2,660 USD
View
Retailer 17
-
£2,306 GBP
$3,090 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21411235Y · Oct 30
£2,657 GBP
$3,560 USD
View
17 more retailers have this diamond
Prices start from £224 GBPSave up to £2,433 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
1.76ct Radiant
£224 GBP