Round|Lab Grown|IGI

1.45ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG756517000

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756517000

Diamond specifications and retailer prices

From $227 USD
As of October 29, 2026
Save $1,053 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,280 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG756517000 or 756517000. Listed at 19 retailers as of October 28, 2026, with prices from $227 to $1,280, a $1,053 spread on the same certified stone. Reve Diamonds lists it at $1,280. 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

1.45
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756517000
Dimensions7.28 × 7.32 × 4.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.28 mm7.32 mm1.45 ctE / SI1
OriginLab Grown
CutVery Good
PolishGood
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756517000
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

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 29
Current: $524 USD|Low: $179 USD|High: $1,280 USD|Avg: $608 USD|+7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
October 29, 2026
Retailer 4$227 USD
Retailer 9$253 USD
Retailer 11$263 USD
Retailer 14$281 USD
Retailer 15$282 USD
Retailer 2$479 USD
Retailer 7$524 USD
Retailer 1$524 USD
Retailer 8$531 USD
Retailer 13$532 USD
Retailer 12$590 USD
Retailer 3$771 USD
Retailer 5$905 USD
Retailer 10$1,129 USD
Retailer 6$1,140 USD
Reve Diamonds$1,280 USD

42 data points across 16 retailers

19 retailers$227 USD to $1,280 USD

A
Retailer 1
-
$225 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$227 USD
View
A
Retailer 3
-
$253 USD
View
Final sale: no returns
A
Retailer 4
-
$263 USD
View
B+
Retailer 5
-
$275 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$281 USD
View
B+
Retailer 7
-
$282 USD
View
B+
Retailer 8
-
$479 USD
View
B+
Retailer 9
-
$524 USD
View
B+
Retailer 10
-
$524 USD
£413 GBP
View
B+
Retailer 11
-
$531 USD
€506 EUR
View
B+
Retailer 12
-
$532 USD
View
B+
Retailer 13
-
$590 USD
View
B
Retailer 14
-
$771 USD
View
B
Retailer 15
-
$897 USD
View
Price last confirmed 38 days ago
B
Retailer 16
-
$905 USD
View
B
Retailer 17
-
$1,129 USD
£889 GBP
View
B
Retailer 18
-
$1,140 USD
View
Most Expensive
C
Reve Diamonds
1D95EE906 · Oct 28
$1,280 USD
View
18 more retailers have this diamond
Prices start from $227 USDSave up to $1,053 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
1.45ct Round
$227 USD