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0.72ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG436047587

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436047587

Diamond specifications and retailer prices

From £328 GBP
$440 USD
As of October 30, 2026
Save £1,179 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,507 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.72ct lab-grown round diamond

This 0.72ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047587 or 436047587. Listed at 11 retailers as of October 29, 2026, with prices from £328 to £1,507, a £1,179 spread on the same certified stone. MOH London lists it at £1,507. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047587
Dimensions5.85 × 5.83 × 3.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.85 mm5.83 mm0.72 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047587
Side View
Table 60.5%Crown 32.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,507 GBP|Low: £263 GBP|High: £1,517 GBP|Avg: £623 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2£328 GBP
Retailer 7£329 GBP
Retailer 10£369 GBP
Retailer 11£369 GBP
Retailer 4£392 GBP
Retailer 8£408 GBP
Retailer 12£515 GBP
Retailer 9£641 GBP
Retailer 5£693 GBP
Retailer 3£706 GBP
Retailer 6£1,097 GBP
MOH London£1,507 GBP

20 data points across 12 retailers

11 retailers£328 GBP to £1,507 GBP

A
Cheapest Retailer
-
£328 GBP
$440 USD
A
Retailer 2
-
£329 GBP
$441 USD
View
A
Retailer 3
-
£369 GBP
$494 USD
View
A
Retailer 4
-
£369 GBP
$494 USD
View
Final sale: no returns
B+
Retailer 5
-
£408 GBP
$547 USD
View
B+
Retailer 6
-
£408 GBP
$547 USD
View
B+
Retailer 7
-
£641 GBP
$859 USD
View
B+
Retailer 8
-
£693 GBP
€884 EUR
View
B
Retailer 9
-
£1,097 GBP
$1,470 USD
View
B
Retailer 10
-
£1,312 GBP
$1,758 USD
View
Most Expensive
B
MOH London
LG436047587 · Oct 29
£1,507 GBP
View
10 more retailers have this diamond
Prices start from £328 GBPSave up to £1,179 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
0.72ct Round
£328 GBP