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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 $1,240 USD
As of October 29, 2026
Save $3,416 USD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,656 USD 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 $1,240 to $4,656, a $3,416 spread on the same certified stone. MOH London lists it at $4,656. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,656 USD|Low: $1,240 USD|High: $4,712 USD|Avg: $2,550 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 2$1,240 USD
Retailer 4$1,571 USD
Retailer 7$1,817 USD
Retailer 6$2,230 USD
Retailer 3$2,571 USD
Retailer 5$2,955 USD
Retailer 8$3,645 USD
MOH London$4,656 USD

12 data points across 8 retailers

10 retailers$1,240 USD to $4,656 USD

A
Cheapest Retailer
-
$1,240 USD
A
Retailer 2
-
$1,404 USD
View
B+
Retailer 3
-
$1,527 USD
View
B+
Retailer 4
-
$1,571 USD
View
Final sale: no returns
Retailer 5
-
$1,628 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,628 USD
View
B
Retailer 7
-
$2,571 USD
View
B
Retailer 8
-
$2,955 USD
View
B
Retailer 9
-
$3,052 USD
View
Most Expensive
B
MOH London
LG440011519 · Oct 27
$4,656 USD
£3,666 GBP
View
9 more retailers have this diamond
Prices start from $1,240 USDSave up to $3,416 USD

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
$1,240 USD