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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 $626 AUD
$440 USD
As of October 30, 2026
Save $2,086 AUD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,712 AUD at MOH London · As of November 1, 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 30, 2026, with prices from $626 to $2,712, a $2,086 spread on the same certified stone. MOH London lists it at $2,712. 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: $2,712 AUD|Low: $481 AUD|High: $3,980 AUD|Avg: $1,684 AUD|-2.0%
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
November 1, 2026
Retailer 11$626 AUD
Retailer 4$693 AUD
Retailer 8$738 AUD
Retailer 9$1,053 AUD
Retailer 6$1,068 AUD
Retailer 2$1,090 AUD
Retailer 10$1,100 AUD
Retailer 7$1,192 AUD
Retailer 13$2,283 AUD
Retailer 3$2,576 AUD
Retailer 12$2,598 AUD
MOH London$2,712 AUD
Retailer 5$3,189 AUD

31 data points across 13 retailers

12 retailers$626 AUD to $2,712 AUD

A
Cheapest Retailer
-
$626 AUD
$440 USD
Final sale: no returns
Retailer 2
-
$693 AUD
$487 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$738 AUD
£408 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,053 AUD
$740 USD
View
A
Retailer 5
-
$1,068 AUD
$750 USD
View
A
Retailer 6
-
$1,090 AUD
€729 EUR
View
A
Retailer 7
-
$1,100 AUD
$773 USD
View
A
Retailer 8
-
$1,192 AUD
ZAR 13,532 ZAR
View
B+
Retailer 9
-
$2,283 AUD
$1,604 USD
View
B
Retailer 10
-
$2,576 AUD
$1,810 USD
View
B
Retailer 11
-
$2,598 AUD
$1,825 USD
View
Most Expensive
B
MOH London
LG631403954 · Nov 1
$2,712 AUD
£1,500 GBP
View
11 more retailers have this diamond
Prices start from $626 AUDSave up to $2,086 AUD

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
$626 AUD