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Radiant|Lab Grown|IGI

0.74ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG12667403

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

Certificate IGI LG12667403

Diamond specifications and retailer prices

From $229 AUD
$161 USD
As of October 30, 2026
Save $1,977 AUD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,207 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 0.74ct lab-grown radiant diamond

This 0.74ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12667403 or 12667403. Listed at 10 retailers as of October 30, 2026, with prices from $229 to $2,207, a $1,977 spread on the same certified stone. Do Amore Diamonds lists it at $2,207. 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

0.74
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.2°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12667403
Dimensions6.03 × 4.61 × 3.23 mm
L/W Ratio1.31
Culet sizePointed
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.03 mm4.61 mm0.74 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12667403
Side View
Table 64.0%Crown 38.2°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 70.1%

Caratlytics Score

How it works →
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: $655 AUD|Low: $184 AUD|High: $1,484 AUD|Avg: $740 AUD|-27.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$229 AUD
Retailer 9$256 AUD
Retailer 8$266 AUD
Retailer 6$515 AUD
Retailer 1$655 AUD
Retailer 3$965 AUD
Retailer 5$1,009 AUD
Retailer 7$1,041 AUD
Retailer 2$1,475 AUD

18 data points across 9 retailers

10 retailers$229 AUD to $2,207 AUD

A
Cheapest Retailer
-
$229 AUD
$161 USD
A
Retailer 2
-
$256 AUD
$180 USD
View
Final sale: no returns
A
Retailer 3
-
$266 AUD
$187 USD
View
B+
Retailer 4
-
$515 AUD
$362 USD
View
B+
Retailer 5
-
$655 AUD
$460 USD
View
B
Retailer 6
-
$965 AUD
$678 USD
View
B
Retailer 7
-
$1,009 AUD
$709 USD
View
B
Retailer 8
-
$1,041 AUD
$731 USD
View
B
Retailer 9
-
$1,475 AUD
£816 GBP
View
Most Expensive
C
Do Amore Diamonds
27-C6C664D9D · Oct 31
$2,207 AUD
$1,550 USD
View
9 more retailers have this diamond
Prices start from $229 AUDSave up to $1,977 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
0.74ct Radiant
$229 AUD