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Radiant|Lab Grown|IGI

0.72ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG12665403

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

Certificate IGI LG12665403

Diamond specifications and retailer prices

From $151 USD
As of October 27, 2026
Save $1,299 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,450 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.72ct lab-grown radiant diamond

This 0.72ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12665403 or 12665403. Listed at 10 retailers as of October 27, 2026, with prices from $151 to $1,450, a $1,299 spread on the same certified stone. Do Amore Diamonds lists it at $1,450. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.72
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12665403
Dimensions6.43 × 4.42 × 2.92 mm
L/W Ratio1.45
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
6.43 mm4.42 mm0.72 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12665403
Side View
Table 68.0%Crown 42°Girdle: STK-THKPavilion 31°Culet: NoneDepth 66.1%

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 27
Current: $1,450 USD|Low: $121 USD|High: $1,450 USD|Avg: $528 USD
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 14
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Retailer 16
October 29, 2026
Retailer 10$151 USD
Retailer 16$170 USD
Retailer 13$176 USD
Retailer 4$243 USD
Retailer 5$261 USD
Retailer 3$268 USD
Retailer 12$344 USD
Retailer 6$420 USD
Retailer 7$514 USD
Retailer 15$606 USD
Retailer 9$638 USD
Retailer 11$666 USD
Retailer 8$670 USD
Retailer 14$790 USD
Retailer 2$974 USD
Do Amore Diamonds$1,450 USD

15 data points across 16 retailers

10 retailers$151 USD to $1,450 USD

A
Cheapest Retailer
-
$151 USD
A
Retailer 2
-
$170 USD
View
Final sale: no returns
A
Retailer 3
-
$176 USD
View
B+
Retailer 4
-
$344 USD
View
B+
Retailer 5
-
$516 USD
£406 GBP
View
B
Retailer 6
-
$638 USD
View
B
Retailer 7
-
$666 USD
View
B
Retailer 8
-
$790 USD
View
B
Retailer 9
-
$974 USD
£767 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0B68B676E · Oct 29
$1,450 USD
View
9 more retailers have this diamond
Prices start from $151 USDSave up to $1,299 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
0.72ct Radiant
$151 USD