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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 £169 GBP
$227 USD
As of October 29, 2026
Save £786 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £955 GBP at Reve Diamonds · As of October 30, 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 29, 2026, with prices from £169 to £955, a £786 spread on the same certified stone. Reve Diamonds lists it at £955. 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
Colour
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: £597 GBP|Low: £134 GBP|High: £955 GBP|Avg: £454 GBP|-29.8%
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 30, 2026
Retailer 5£169 GBP
Retailer 10£189 GBP
Retailer 12£196 GBP
Retailer 15£210 GBP
Retailer 2£210 GBP
Retailer 3£357 GBP
Retailer 7£391 GBP
Retailer 8£391 GBP
Retailer 9£397 GBP
Retailer 14£397 GBP
Retailer 13£440 GBP
Retailer 4£575 GBP
Retailer 1£597 GBP
Retailer 6£675 GBP
Retailer 11£843 GBP
Reve Diamonds£955 GBP

41 data points across 16 retailers

19 retailers£169 GBP to £955 GBP

Retailer 1
-
£168 GBP
$225 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£169 GBP
$227 USD
View
A
Retailer 3
-
£189 GBP
$253 USD
View
Final sale: no returns
A
Retailer 4
-
£196 GBP
$263 USD
View
Retailer 5
-
£205 GBP
$275 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
£210 GBP
$281 USD
View
B+
Retailer 7
-
£210 GBP
$282 USD
View
B+
Retailer 8
-
£357 GBP
$479 USD
View
B+
Retailer 9
-
£391 GBP
$524 USD
View
B+
Retailer 10
-
£391 GBP
View
B+
Retailer 11
-
£397 GBP
€506 EUR
View
B+
Retailer 12
-
£397 GBP
$532 USD
View
B+
Retailer 13
-
£440 GBP
$590 USD
View
B
Retailer 14
-
£575 GBP
$771 USD
View
B
Retailer 15
-
£597 GBP
$800 USD
View
Retailer 16
-
£669 GBP
$897 USD
View
Price last confirmed 40 days ago
B
Retailer 17
-
£675 GBP
$905 USD
View
B
Retailer 18
-
£843 GBP
View
Most Expensive
C
Reve Diamonds
1D95EE906 · Oct 30
£955 GBP
$1,280 USD
View
18 more retailers have this diamond
Prices start from £169 GBPSave up to £786 GBP

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
£169 GBP