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Round|Lab Grown|IGI

1.64ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG488155747

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488155747

Diamond specifications and retailer prices

From €859 EUR
$960 USD
As of October 30, 2026
Save €1,941 EUR (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,289 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 1.64ct lab-grown round diamond

This 1.64ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488155747 or 488155747. Listed at 10 retailers as of October 30, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.64
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488155747
Dimensions7.63 × 7.59 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.63 mm7.59 mm1.64 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488155747
Side View
Table 59.5%Crown 33.1°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.8%

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: €4,289 EUR|Low: €859 EUR|High: €4,323 EUR|Avg: €2,138 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€859 EUR
Retailer 4€1,288 EUR
Retailer 7€1,441 EUR
Retailer 5€1,494 EUR
Retailer 8€1,494 EUR
Retailer 11€1,692 EUR
Retailer 10€2,036 EUR
Retailer 6€2,357 EUR
Retailer 9€2,711 EUR
Retailer 3€3,344 EUR
MOH London€4,289 EUR

14 data points across 11 retailers

10 retailers€859 EUR to €2,800 EUR

A
Cheapest Retailer
-
€859 EUR
$960 USD
B+
Retailer 2
-
€1,288 EUR
$1,439 USD
View
B+
Retailer 3
-
€1,401 EUR
$1,565 USD
View
B+
Retailer 4
-
€1,441 EUR
$1,610 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,494 EUR
$1,669 USD
View
Retailer 6
-
€1,494 EUR
$1,669 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
€2,357 EUR
$2,633 USD
View
B
Retailer 8
-
€2,711 EUR
$3,029 USD
View
B
Retailer 9
-
€2,800 EUR
$3,128 USD
View
Most Expensive
MOH London
LG488155747 · Oct 21
€4,289 EUR
£3,773 GBP
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from €859 EURSave up to €1,941 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
1.64ct Round
€859 EUR