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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 $161 USD
As of October 30, 2026
Save $1,389 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,550 USD at Do Amore Diamonds · As of October 29, 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 29, 2026, with prices from $161 to $1,550, a $1,389 spread on the same certified stone. Do Amore Diamonds lists it at $1,550. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $460 USD|Low: $129 USD|High: $1,043 USD|Avg: $520 USD|-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$161 USD
Retailer 9$180 USD
Retailer 8$187 USD
Retailer 6$362 USD
Retailer 1$460 USD
Retailer 3$678 USD
Retailer 5$709 USD
Retailer 7$731 USD
Retailer 2$1,036 USD

18 data points across 9 retailers

10 retailers$161 USD to $1,550 USD

A
Cheapest Retailer
-
$161 USD
A
Retailer 2
-
$180 USD
View
Final sale: no returns
A
Retailer 3
-
$187 USD
View
B+
Retailer 4
-
$362 USD
View
B+
Retailer 5
-
$460 USD
View
B
Retailer 6
-
$678 USD
View
B
Retailer 7
-
$709 USD
View
B
Retailer 8
-
$731 USD
View
B
Retailer 9
-
$1,036 USD
£816 GBP
View
Most Expensive
C
Do Amore Diamonds
27-C6C664D9D · Oct 29
$1,550 USD
View
9 more retailers have this diamond
Prices start from $161 USDSave up to $1,389 USD

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
$161 USD