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Radiant|Lab Grown|IGI

1.76ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG685577651

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

Certificate IGI LG685577651

Diamond specifications and retailer prices

From £301 GBP
$401 USD
As of October 27, 2026
Save £3,806 GBP (93%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,108 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG685577651 or 685577651. Listed at 22 retailers as of October 27, 2026, with prices from £301 to £4,108, a £3,806 spread on the same certified stone. Do Amore Diamonds lists it at £4,108. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685577651
Dimensions8.32 × 5.92 × 4.02 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.32 mm5.92 mm1.76 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685577651
Side View
Table 63.0%Crown 47.1°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.9%

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 27
Current: £2,673 GBP|Low: £336 GBP|High: £3,447 GBP|Avg: £1,336 GBP|-17.0%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 30, 2026
Retailer 6£336 GBP
Retailer 3£337 GBP
Retailer 15£373 GBP
Retailer 14£484 GBP
Retailer 18£496 GBP
Retailer 2£681 GBP
Retailer 12£708 GBP
Retailer 4£806 GBP
Retailer 11£960 GBP
Retailer 16£997 GBP
Retailer 8£1,325 GBP
Retailer 7£1,397 GBP
Retailer 9£1,408 GBP
Retailer 5£1,437 GBP
Retailer 13£1,515 GBP
Retailer 17£1,990 GBP
Do Amore Diamonds£2,673 GBP
Retailer 10£3,447 GBP

33 data points across 18 retailers

22 retailers£301 GBP to £4,108 GBP

A
Cheapest Retailer
-
£301 GBP
$401 USD
A
Retailer 2
-
£336 GBP
$448 USD
View
Final sale: no returns
A
Retailer 3
-
£337 GBP
$449 USD
View
A
Retailer 4
-
£373 GBP
$497 USD
View
A
Retailer 5
-
£373 GBP
$497 USD
View
A
Retailer 6
-
£484 GBP
$645 USD
View
A
Retailer 7
-
£496 GBP
$661 USD
View
A
Retailer 8
-
£681 GBP
View
A
Retailer 9
-
£708 GBP
ZAR 15,233 ZAR
View
A
Retailer 10
-
£806 GBP
$1,073 USD
View
B+
Retailer 11
-
£960 GBP
A$1,966 AUD
View
B+
Retailer 12
-
£997 GBP
$1,328 USD
View
B+
Retailer 13
-
£1,325 GBP
$1,764 USD
View
B+
Retailer 14
-
£1,397 GBP
$1,861 USD
View
Retailer 15
-
£1,408 GBP
View
Price last confirmed 14 days ago
B+
Retailer 16
-
£1,437 GBP
$1,914 USD
View
B+
Retailer 17
-
£1,474 GBP
View
B+
Retailer 18
-
£1,515 GBP
View
Retailer 19
-
£1,990 GBP
$2,650 USD
View
Price last confirmed 8 days ago
B
Retailer 20
-
£2,673 GBP
$3,560 USD
View
B
Retailer 21
-
£3,447 GBP
$4,590 USD
View
Most Expensive
B
Do Amore Diamonds
23-685577651 · Oct 30
£4,108 GBP
$5,470 USD
View
21 more retailers have this diamond
Prices start from £301 GBPSave up to £3,806 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
£301 GBP