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Radiant|Lab Grown|IGI

1.74ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG631403954

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

Certificate IGI LG631403954

Diamond specifications and retailer prices

From £328 GBP
$440 USD
As of October 30, 2026
Save £1,095 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,424 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.74ct lab-grown radiant diamond

This 1.74ct 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 LG631403954 or 631403954. Listed at 12 retailers as of October 26, 2026, with prices from £328 to £1,424, a £1,095 spread on the same certified stone. MOH London lists it at £1,424. 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

1.74
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631403954
Dimensions6.84 × 7.01 × 4.01 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.84 mm7.01 mm1.74 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631403954
Side View
Table 63.0%Crown 35.7°Girdle: Slightly ThickPavilion 31.5°Culet: NoneDepth 58.6%

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: £1,424 GBP|Low: £252 GBP|High: £2,087 GBP|Avg: £884 GBP|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11£328 GBP
Retailer 4£363 GBP
Retailer 8£387 GBP
Retailer 9£552 GBP
Retailer 2£560 GBP
Retailer 10£577 GBP
Retailer 7£605 GBP
Retailer 6£625 GBP
Retailer 13£1,197 GBP
Retailer 3£1,351 GBP
Retailer 12£1,362 GBP
MOH London£1,424 GBP
Retailer 5£1,672 GBP

30 data points across 13 retailers

12 retailers£328 GBP to £1,424 GBP

A
Cheapest Retailer
-
£328 GBP
$440 USD
Final sale: no returns
Retailer 2
-
£363 GBP
$487 USD
View
Price last confirmed 16 days ago
Retailer 3
-
£387 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
£552 GBP
$740 USD
View
A
Retailer 5
-
£560 GBP
$750 USD
View
A
Retailer 6
-
£577 GBP
$773 USD
View
Retailer 7
-
£605 GBP
€772 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
£625 GBP
ZAR 13,532 ZAR
View
B+
Retailer 9
-
£1,197 GBP
$1,604 USD
View
B
Retailer 10
-
£1,351 GBP
$1,810 USD
View
B+
Retailer 11
-
£1,362 GBP
$1,825 USD
View
Most Expensive
B
MOH London
LG631403954 · Oct 26
£1,424 GBP
View
11 more retailers have this diamond
Prices start from £328 GBPSave up to £1,095 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
1.74ct Radiant
£328 GBP