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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG792635016

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792635016

Diamond specifications and retailer prices

From £150 GBP
$201 USD
As of October 29, 2026
Save £744 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £894 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792635016 or 792635016. Listed at 18 retailers as of October 29, 2026, with prices from £150 to £894, a £744 spread on the same certified stone. Reve Diamonds lists it at £894. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792635016
Dimensions7.33 × 7.36 × 4.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.33 mm7.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792635016
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.4%

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 29
Current: £392 GBP|Low: £144 GBP|High: £881 GBP|Avg: £365 GBP
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
October 31, 2026
Retailer 10£150 GBP
Retailer 3£168 GBP
Retailer 2£175 GBP
Retailer 13£187 GBP
Retailer 5£261 GBP
Retailer 9£306 GBP
Retailer 7£340 GBP
Retailer 1£392 GBP
Retailer 4£395 GBP
Retailer 6£472 GBP
Retailer 12£552 GBP
Retailer 11£649 GBP
Retailer 8£876 GBP

42 data points across 13 retailers

18 retailers£150 GBP to £894 GBP

A
Cheapest Retailer
-
£150 GBP
$201 USD
A
Retailer 2
-
£168 GBP
$225 USD
View
Final sale: no returns
A
Retailer 3
-
£175 GBP
$234 USD
View
A
Retailer 4
-
£187 GBP
$250 USD
View
A
Retailer 5
-
£210 GBP
HK$2,200 HKD
View
B+
Retailer 6
-
£261 GBP
$350 USD
View
A
Retailer 7
-
£306 GBP
€390 EUR
View
A
Retailer 8
-
£322 GBP
$431 USD
View
A
Retailer 9
-
£340 GBP
View
B+
Retailer 10
-
£392 GBP
A$808 AUD
View
B+
Retailer 11
-
£395 GBP
$529 USD
View
B+
Retailer 12
-
£472 GBP
$632 USD
View
B+
Retailer 13
-
£552 GBP
$740 USD
View
B
Retailer 14
-
£608 GBP
SGD 1,100 SGD
View
B
Retailer 15
-
£639 GBP
$856 USD
View
B
Retailer 16
-
£649 GBP
$870 USD
View
B
Retailer 17
-
£876 GBP
View
Most Expensive
B
Reve Diamonds
4335A671A · Oct 30
£894 GBP
$1,198 USD
View
17 more retailers have this diamond
Prices start from £150 GBPSave up to £744 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
1.50ct Round
£150 GBP