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Round|Lab Grown|IGI

1.72ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG12023004

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12023004

Diamond specifications and retailer prices

From €565 EUR
$631 USD
As of November 1, 2026
Save €930 EUR (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,495 EUR at MOH London · As of November 1, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12023004 or 12023004. Listed at 10 retailers as of November 1, 2026, with prices from €565 to €1,495, a €930 spread on the same certified stone. MOH London lists it at €1,495. 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
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12023004
Dimensions7.71 × 7.69 × 4.75 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
7.71 mm7.69 mm1.72 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12023004
Side View
Table 58.5%Crown 35.5°Girdle: THN-UNDPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
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: Nov 1
Current: €1,495 EUR|Low: €271 EUR|High: €1,503 EUR|Avg: €771 EUR|+24.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6€271 EUR
Retailer 8€557 EUR
Retailer 4€565 EUR
Retailer 2€685 EUR
Retailer 5€783 EUR
Retailer 3€1,017 EUR
Retailer 7€1,244 EUR
MOH London€1,495 EUR

31 data points across 8 retailers

10 retailers€565 EUR to €1,495 EUR

Retailer 1
-
€218 EUR
$244 USD
Price last confirmed 40 days ago
Retailer 2
-
€253 EUR
$283 USD
View
Price last confirmed 40 days ago
Retailer 3
-
€268 EUR
$299 USD
View
Price last confirmed 40 days ago
B+
Retailer 4
-
€565 EUR
$631 USD
View
B+
Retailer 5
-
€685 EUR
£603 GBP
View
B
Retailer 6
-
€783 EUR
$875 USD
View
Retailer 7
-
€961 EUR
$1,074 USD
View
Price last confirmed 41 days ago
B
Retailer 8
-
€1,017 EUR
$1,136 USD
View
B
Retailer 9
-
€1,244 EUR
$1,390 USD
View
Most Expensive
C
MOH London
LG12023004 · Nov 1
€1,495 EUR
£1,315 GBP
View
9 more retailers have this diamond
Prices start from €565 EURSave up to €930 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.

B+
1.72ct Round
€565 EUR