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Round|Lab Grown|IGI

0.72ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG480171600

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480171600

Diamond specifications and retailer prices

From £308 GBP
$410 USD
As of October 29, 2026
Save £1,039 GBP (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,346 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.72ct lab-grown round diamond

This 0.72ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480171600 or 480171600. Listed at 10 retailers as of October 27, 2026, with prices from £308 to £1,346, a £1,039 spread on the same certified stone. NZ Jewellers lists it at £1,346. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480171600
Dimensions5.75 × 5.71 × 3.48 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
5.75 mm5.71 mm0.72 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480171600
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £856 GBP|Low: £299 GBP|High: £2,163 GBP|Avg: £796 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11£299 GBP
Retailer 7£308 GBP
Retailer 6£413 GBP
Retailer 10£463 GBP
Retailer 2£500 GBP
Retailer 8£512 GBP
Retailer 9£791 GBP
Retailer 1£856 GBP
Retailer 3£1,072 GBP
Retailer 5£1,321 GBP
Retailer 4£2,149 GBP

15 data points across 11 retailers

10 retailers£308 GBP to £1,346 GBP

B+
Cheapest Retailer
-
£308 GBP
$410 USD
B
Retailer 2
-
£413 GBP
$550 USD
View
B
Retailer 3
-
£463 GBP
$616 USD
View
B
Retailer 4
-
£512 GBP
$682 USD
View
Retailer 5
-
£512 GBP
$682 USD
View
Price last confirmed 13 days ago
B
Retailer 6
-
£791 GBP
$1,053 USD
View
B
Retailer 7
-
£856 GBP
€1,086 EUR
View
B
Retailer 8
-
£1,321 GBP
$1,759 USD
View
Most Expensive
B
NZ Jewellers
3f8e9d3b-97a6-4dee-86e1-38a2451ba0f3 · Oct 27
£1,346 GBP
$1,793 USD
View
8 more retailers have this diamond
Prices start from £308 GBPSave up to £1,039 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.

B+
0.72ct Round
£308 GBP