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Round|Lab Grown|IGI

1.72ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG440011519

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440011519

Diamond specifications and retailer prices

From €859 EUR
$960 USD
As of October 30, 2026
Save €3,308 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,167 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440011519 or 440011519. Listed at 10 retailers as of October 27, 2026, with prices from €859 to €4,167, a €3,308 spread on the same certified stone. MOH London lists it at €4,167. 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

1.72
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440011519
Dimensions7.75 × 7.72 × 4.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.75 mm7.72 mm1.72 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440011519
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.9%

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: €4,167 EUR|Low: €859 EUR|High: €4,217 EUR|Avg: €2,084 EUR|+0.1%
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€859 EUR
Retailer 5€1,257 EUR
Retailer 8€1,367 EUR
Retailer 10€1,406 EUR
Retailer 6€1,457 EUR
Retailer 3€1,627 EUR
Retailer 12€1,996 EUR
Retailer 7€2,301 EUR
Retailer 11€2,645 EUR
Retailer 9€2,732 EUR
Retailer 4€3,263 EUR
MOH London€4,167 EUR

16 data points across 12 retailers

10 retailers€859 EUR to €4,167 EUR

A
Cheapest Retailer
-
€859 EUR
$960 USD
B+
Retailer 2
-
€1,257 EUR
$1,404 USD
View
B+
Retailer 3
-
€1,367 EUR
$1,527 USD
View
B+
Retailer 4
-
€1,406 EUR
$1,571 USD
View
Final sale: no returns
Retailer 5
-
€1,457 EUR
$1,628 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
€1,457 EUR
$1,628 USD
View
B
Retailer 7
-
€2,301 EUR
$2,571 USD
View
B
Retailer 8
-
€2,645 EUR
$2,955 USD
View
B
Retailer 9
-
€2,732 EUR
$3,052 USD
View
Most Expensive
B
MOH London
LG440011519 · Oct 27
€4,167 EUR
£3,666 GBP
View
9 more retailers have this diamond
Prices start from €859 EURSave up to €3,308 EUR

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
1.72ct Round
€859 EUR